Top 12 Best Exhaust For 9th Gen Civic Si You Can’t Miss!
Upgrading the exhaust system on a 9th gen Civic Si can make a noticeable difference in both performance and sound. Finding the best exhaust for 9th gen Civic Si means balancing improved flow, durability, and a tone that matches your driving style. This kind of upgrade is ideal for drivers who want a more responsive feel from their car without compromising daily usability.
This kind of upgrade is ideal for drivers who want a more responsive feel from their car without compromising daily usability. A well-selected exhaust can enhance horsepower, reduce weight, and offer a satisfying exhaust note, all while fitting seamlessly under the Civic’s body. This review will cover several exhaust options designed specifically for the 9th gen Civic Si.
It will look at build quality, sound characteristics, installation ease, and overall value. By the end, you’ll have a clearer idea of which exhaust suits your needs best.
Unlock peak performance and unparalleled sound with these top exhaust upgrades for your Civic Si.
| Image | Product | Price |
|---|---|---|
Our Top Picks 1 ![]() | DNA Motoring CBE-HC06SI Cat Back Exhaust System | Check Price |
Our Top Picks 2 ![]() | J2 Engineering J2-CBE-OS-064 Muffler CatBack Exhaust System | Check Price |
Our Top Picks 3 ![]() | Invidia N1 Titanium Tip Cat-Back Exhaust System | Check Price |
1. DNA Motoring CBE-HC06SI Cat Back Exhaust System
Upgrade your 9th Gen Honda Civic Si with an exhaust system designed for enhanced power and an aggressive sound. The DNA Motoring CBE-HC06SI Cat Back Exhaust System delivers noticeable gains in horsepower and torque while refining your vehicle’s exhaust note for a deep, smooth tone.
Constructed from premium T-304 stainless steel, it promises durability and resistance to corrosion. This exhaust upgrades performance without sacrificing reliability, making it a worthy addition to your car’s upgrade list.
The DNA Motoring CBE-HC06SI is engineered specifically for 2006-2011 Honda Civic Si FG2 Coupes. It features mandrel-bent piping that maintains optimal exhaust flow, minimizing restrictions and boosting engine output. The design incorporates larger pipes, low-restriction mufflers, and tuned resonators to improve power delivery and ensure an aggressive yet refined exhaust sound.
The design incorporates larger pipes, low-restriction mufflers, and tuned resonators to improve power delivery and ensure an aggressive yet refined exhaust sound. Quality construction includes TIG-welded CNC-machined flanges for enhanced strength and corrosion resistance. Dyno tests confirm it adds an immediate 15 to 25 horsepower alongside improved low-end torque, enhancing overall drivability.
Installation is straightforward, making it suitable for DIY mechanics and professionals alike. Beyond performance, the system’s polished finish offers a sleek, durable appearance that complements the car’s aesthetics.
This exhaust system balances sound and function, perfect for drivers seeking upgraded performance without excessive noise. Its build quality assures long-term use, even under high operating stresses, ensuring that the investment maintains value over time. Comparing it to other options, this system stands out with its sound tuning and robust construction, delivering noticeable results without complex installation.
Pros
- Boosts horsepower and torque by 15 to 25, improving engine efficiency
- Made with durable T-304 stainless steel to resist corrosion
- Features low-restriction mufflers and tuned resonators for aggressive sound
Cons
- Fitment limited to 2006-2011 Honda Civic Si FG2 Coups only
Overall, the DNA Motoring CBE-HC06SI offers a solid combination of performance gains and sound refinement for 9th Gen Honda Civic Si owners. Its quality materials and design choices make it a smart investment for those upgrading their exhaust system.
| Specification | Details |
|---|---|
| Manufacturer | DNA Motoring |
| Brand | DNA MOTORING |
| Model | CBE-HC06SI |
| Item Weight | 22.4 pounds |
| Package Dimensions | 41.25 x 13.5 x 8.9 inches |
| Item Model Number | CBE-HC06SI |
| Exterior Finish | Polished |
| Manufacturer Part Number | CBE-HC06SI |
The system’s straightforward installation and balance between sound and performance make it an excellent choice. It stands out by enhancing low-end torque where daily driving benefits most, while the build quality promises longevity. This exhaust achieves a noticeable upgrade without the drawbacks of excessive noise or complex fitting.
2. J2 Engineering J2-CBE-OS-064 Muffler CatBack Exhaust System

Enhancing your Honda Civic’s exhaust system can transform its driving experience and sound quality. The J2 Engineering J2-CBE-OS-064 Muffler CatBack Exhaust System offers a well-crafted upgrade engineered for 2012-2015 Honda Civic 2-Door Coupe models, delivering both performance and style.
Designed with durability and efficiency in mind, this catback exhaust provides an aggressive yet refined tone while improving horsepower and torque. Its construction ensures longevity and optimal exhaust flow for a smooth ride.
This exhaust system is built from premium T-304 stainless steel, known for its resistance to corrosion and long-lasting strength. Each flange is TIG welded and CNC machined, guaranteeing a secure fit and excellent pressure handling. The piping features a 5-inch diameter, paired with dual 5-inch muffler exhaust tips, creating a striking appearance and smoother gas flow.
Performance gains are evident, with a dyno-proven increase of 15 to 25 horsepower and enhanced low-end torque. The muffler design balances a deep and aggressive tone without overpowering noise, perfect for drivers seeking that sporty sound. Installation hardware is included, simplifying the upgrade process for those comfortable with basic mechanical work.
Installation hardware is included, simplifying the upgrade process for those comfortable with basic mechanical work.
While this catback system suits the 2-door coupe well, it does not fit the Si models. For non-Si models in the relevant years, it offers an excellent blend of quality, sound, and performance. Comparatively, it stands out for its solid build and notable power improvement without needing complex modifications.
Pros
- Constructed with durable T-304 stainless steel for rust resistance
- Increases horsepower and torque by 15-25, verified by dyno testing
- Produces a smooth, aggressive exhaust tone with dual 3.5” tips
Cons
- Not compatible with Honda Civic Si models
Overall, the J2 Engineering J2-CBE-OS-064 Muffler CatBack Exhaust System delivers a solid upgrade for 2012-2015 Honda Civic 2-door coupes. Its quality materials and design enhance both sound and engine output effectively.
Those looking for a straightforward performance boost without extensive modifications will find this option valuable.
| Specification | Details |
|---|---|
| Brand Name | J2 Engineering |
| Model Number | J2-CBE-OS-064 |
| Compatibility | 2012-2015 Honda Civic 2-Dr Coupe (Non-Si) |
| Material | T-304 Stainless Steel |
| Exhaust Tip Size | Dual 3.5 inches |
| Piping Inlet Size | 2.25 inches |
| Major Piping Diameter | 2.5 inches |
| Included Components | Catback exhaust system with installation hardware |
From my experience, this exhaust system balances performance and sound without excess heat or noise. Installation is manageable with basic automotive tools. Compared to other options in its category, it performs reliably with an attractive finished look, making it a compelling choice for suitable Civic coupes.
Compared to other options in its category, it performs reliably with an attractive finished look, making it a compelling choice for suitable Civic coupes.
3. Invidia N1 Titanium Tip Cat-Back Exhaust System

Enhance your 9th gen Civic Si’s performance and sound with the Invidia N1 Titanium Tip Cat-Back Exhaust System. Designed for 2012 and newer Honda Civic Si Coupes, this exhaust delivers an aggressive tone combined with durable construction. It’s an excellent upgrade for owners seeking improved exhaust flow and a sporty aesthetic.
It’s an excellent upgrade for owners seeking improved exhaust flow and a sporty aesthetic.
Crafted from premium SUS304 stainless steel, the exhaust guarantees longevity and resistance to rust. The mandrel-bent piping offers a smooth path for exhaust gases, reducing back pressure and boosting overall engine efficiency.
With a large 76mm (3) pipe and a distinctive 101mm (4) titanium tip, it melds form and function perfectly for an impactful rear appearance.
Engineered with precision, the Invidia N1 system features CNC-machined flanges that ensure a perfect fit and easy installation. Its polished finish not only resists corrosion but adds a sleek look that complements the Civic Si’s sporty design. The single titanium tip provides a lightweight yet durable accent that stands out from standard exhausts.
The single titanium tip provides a lightweight yet durable accent that stands out from standard exhausts.
Sound quality is where this exhaust truly shines. It boosts the exhaust note with a deep, throaty growl without becoming overly loud or intrusive. This balance makes it suitable for daily driving as well as spirited weekend runs.
Installation is straightforward, requiring no special tools, making it an accessible upgrade for DIYers.
Perfect for Civic Si owners looking to enhance performance and style simultaneously, this exhaust offers notable gains in throttle response and exhaust flow. While it delivers a sportier sound and appearance, it also maintains reliability thanks to its robust construction. It compares favorably against other systems by balancing sound intensity with build quality and ease of use.
Pros
- Durable SUS304 stainless steel construction resists corrosion
- Mandrel-bent piping maximizes exhaust flow and reduces back pressure
- Lightweight titanium tip adds a distinctive and stylish finishing touch
Cons
- The noticeable sound may not suit those preferring a quieter exhaust
The Invidia N1 Titanium Tip Cat-Back Exhaust System is a highly effective upgrade that elevates both sound and performance for the 9th gen Civic Si. Its thoughtful design, quality materials, and user-friendly installation make it a strong contender among similar systems.
Suitable for drivers wanting a sportier driving experience without compromising durability.
| Specification | Details |
|---|---|
| Compatibility | 2012 and newer Honda Civic Si Coupe |
| Pipe Size | 76mm (3″) |
| Tip Size | 101mm (4″) Titanium Tip |
| Material | SUS304 Stainless Steel |
| Flanges | CNC-machined for precision fit |
| Weight | 5 pounds |
| Exhaust Flow | Mandrel-bent piping reduces back pressure |
| Manufacturer Part Number | HS12HC2STT |
From my perspective, this exhaust system offers a remarkable blend of aesthetics and performance improvement. Its titanium tip adds uniqueness rarely found in comparable models, while the build quality ensures long-term reliability.
Ideal for drivers aiming to enhance both sound and efficiency without complex installation challenges.
4. Invidia N1 Cat-Back Exhaust System for Honda Civic Si Sedan

Upgrade your 9th Gen Civic Si Sedan’s performance and sound with the Invidia N1 Cat-Back Exhaust System. Engineered for precision and durability, this system enhances exhaust flow while delivering a sporty, aggressive tone that stands out on the road.
Designed for drivers who demand both style and function, the Invidia N1 exhaust offers a perfect balance of power increase and refined sound without being overwhelmingly loud. Its superior build quality ensures lasting performance under daily driving conditions.
The Invidia N1 Cat-Back Exhaust System features a 70mm piping diameter that optimizes exhaust flow for improved engine efficiency and throttle response. Constructed from high-quality materials sourced from Taiwan, the system offers impressive durability and resistance to wear. Installation is straightforward, designed to fit the Civic Si Sedan without extensive modifications.
Compared to many aftermarket options, this exhaust provides a more liberated sound without the drone commonly associated with louder systems. It improves horsepower and torque subtly but noticeably, enhancing the overall driving experience.
This system is especially suited for those who appreciate a sportier sound and performance gain while maintaining a balanced daily drive.
With a thoughtful design focusing on ease of maintenance, the Invidia N1 Cat-Back system ensures a hassle-free experience over time. Its weight and dimensions are optimized for a tailored fit that does not add unnecessary bulk to the vehicle. Audiophiles and performance seekers alike will find this upgrade a worthwhile addition to their 9th Gen Civic Si Sedan.
Pros
- Improves exhaust flow and throttle response with 70mm piping
- Delivers a sporty, aggressive exhaust note without excessive drone
- Durable construction with materials sourced from Taiwan
Cons
- May require professional installation for optimal fit and performance
The Invidia N1 Cat-Back Exhaust System is a strong contender for anyone looking to enhance their Civic Si’s audio and performance characteristics. Its solid build and balanced sound make it a practical choice over other louder or less refined aftermarket systems.
The included specifications provide detailed insight into its engineering and ensure compatibility.
| Specification | Details |
|---|---|
| Manufacturer | Invidia |
| Brand | Invidia |
| Model Number | HS12HC4GTT |
| Piping Diameter | 70 millimeters |
| Item Weight | 5 pounds |
| Package Dimensions | 29.718 H x 152.4 L x 48.768 W cm |
| Country of Origin | Taiwan |
From my perspective, this exhaust system delivers a refined blend of performance and sound enhancement. It fits well on the Civic Si Sedan and provides noticeable gains without sacrificing drivability or comfort.
5. PM PERFORMOTOR 4 Burnt Tip Muffler Catback Exhaust for Honda Civic

Upgrade your Honda Civic with the PM PERFORMOTOR 4 Burnt Tip Muffler Catback Exhaust. Designed to deliver a bold tone and enhance exhaust flow, this system skillfully balances style and performance.
Its distinct burnt tip finish adds a striking aesthetic to your vehicle’s rear.
Compatible with select Honda Civic models from 2006 to 2011, this exhaust system is crafted from premium T-304 stainless steel. Experience improved engine sound without sacrificing efficiency or durability.
The PM PERFORMOTOR catback exhaust offers a well-engineered upgrade for non-Si Honda Civic 8L sedans built between 2006 and Its construction features high-grade T-304 stainless steel, which resists corrosion and impacts to provide long-lasting use.
Welding precision is ensured with TIG welds and a CNC-machined flange that withstands pressure and prevents leaks. The system includes a convenient 70mm extension piece for sedans, ensuring a custom fit. Its 4-inch burnt tip stands out with an aggressive yet smooth exhaust note, enhancing your driving experience without overpowering the cabin.
Its 4-inch burnt tip stands out with an aggressive yet smooth exhaust note, enhancing your driving experience without overpowering the cabin.
While the system does not fit SI models, it suits owners seeking to boost sound and appearance on compatible Civics. Installation is straightforward for anyone familiar with exhaust modifications, making it a practical choice for upgrade seekers.
Overall, this exhaust balances performance gains, visual appeal, and durability, presenting strong value for drivers eager to elevate their ride.
Pros
- Durable construction from corrosion-resistant T-304 stainless steel
- Designed for smooth, aggressive exhaust tone enhancing driving pleasure
- Includes extension piece for perfect fit on compatible sedan models
Cons
- Not compatible with Civic Si models
Overall, the PM PERFORMOTOR 4 Burnt Tip Muffler Catback Exhaust offers a dependable and attractive upgrade for specific Honda Civic sedans. Its combination of sturdy materials and expertly crafted sound makes it a commendable choice for those seeking moderate performance enhancement and style.
| Specification | Details |
|---|---|
| Brand Name | PM PERFORMOTOR |
| Model Number | PM-39982 |
| Compatibility | 2006-2011 Honda Civic 1.8L Sedans (Non-Si) |
| Material | T-304 Stainless Steel |
| Tip Diameter | 4″ Outer Diameter |
| Inlet Diameter | 2.25″ Inner Diameter |
| Outlet Diameter | 2.25″ Inner Diameter |
| Finish | Burnt Tip |
| Includes | 70mm Extension Piece for Sedans |
From my perspective, this exhaust system hits a balanced note between sound enhancement and durability. It’s particularly suited for Civic owners who want improved acoustic character without extensive modifications. Considering its build quality and unique styling, it’s a solid candidate within its price range for non-Si Civic upgrades.
Considering its build quality and unique styling, it’s a solid candidate within its price range for non-Si Civic upgrades.
6. DNA MOTORING CBE-HC922-NRT Cat Back Exhaust System

The DNA MOTORING CBE-HC922-NRT Cat Back Exhaust System enhances both the performance and sound of your vehicle with precision engineering. Crafted specifically for 1992 to 2000 Honda Civic Coupe and Sedan models, this exhaust system upgrades your car’s power output and audio appeal effortlessly.
Designed from high-grade T-304 stainless steel, it combines durability with a sleek finish. The system’s mandrel-bent pipes and CNC machined flanges ensure a precise fit and long-lasting strength, resisting corrosion and pressure from exhaust gases.
The exhaust system is proven to boost horsepower by 15 to 25 with improved low-end torque support. Larger pipes and tuned resonators reduce backpressure, allowing exhaust gases to exit smoothly. This results in enhanced engine efficiency and a deeper, aggressive exhaust tone.
Installation is straightforward with included hardware and gaskets, making it a suitable upgrade for drivers seeking both performance and sound improvements. Its double-walled muffler tip enriches the vehicle’s sound, producing a smooth and commanding presence on the road.
Ideal for owners of early Honda Civics looking to maximize their driving experience, this system balances power gains with durable construction. Its design focuses on long-term use without sacrificing vehicle reliability or style.
Pros
- Robust T-304 stainless steel body resists corrosion
- Enhances horsepower and torque with proven dyno results
- Provides an aggressive and smooth exhaust tone
Cons
- Fitment limited to 1992-2000 Honda Civic Coupe/Sedan models only
Overall, the DNA MOTORING CBE-HC922-NRT Cat Back Exhaust System delivers solid performance improvements and a well-rounded sound upgrade for compatible Honda Civics. It’s a worthy option for those wanting reliable durability paired with measurable power enhancement.
| Specification | Details |
|---|---|
| Brand Name | DNA MOTORING |
| Manufacturer Part Number | CBE-HC922-NRT |
| Material | T-304 Stainless Steel |
| Compatibility | 1992-2000 Honda Civic Coupe/Sedan |
| Pipe Diameter | 2.25 Inches |
| Performance Gain | 15 to 25 Horsepower |
| Exhaust Tip | Double Walled Muffler Tip |
| Included Components | Catback Exhaust, Hardware, Gaskets |
For drivers prioritizing both sound quality and power, this exhaust system stands out against standard replacements. Its sturdy build and designed airflow support noticeable improvements without drastic modifications.
Users wanting a reliable and effective upgrade will find it very satisfactory.
7. 409 Stainless Steel Front Exhaust Pipe for 2006-2011 Honda Civic

Upgrade your 2006-2011 Honda Civic 8L exhaust system with the 409 Stainless Steel Front Exhaust Pipe by VIMLUK. Engineered for a perfect direct fit, this front pipe replicates the factory specifications with precision. It offers an effortless replacement that enhances your vehicle’s performance and durability.
Crafted with durable 409 stainless steel, the pipe resists heat and corrosion, promising longevity under tough driving conditions. Featuring a 2-inch diameter design, it improves exhaust flow and engine response, delivering a balanced sporty tone without excessive noise levels.
The 409 Stainless Steel Front Exhaust Pipe is designed for a seamless installation experience. It requires no modifications, cutting, or welding, making it accessible for DIY upgrades or professional installation.
Included mounting hardware and a high-density graphite gasket meet OEM standards for a secure seal and leak-free fit.
Precision tube bending maintains the structural integrity and factory fitment, ensuring compatibility with your Civic’s stock exhaust layout. A bonus imperial tape measure provides added convenience during installation.
The product is well-suited for drivers aiming to improve throttle response and gain a deeper exhaust note.
Compared to similar aftermarket pipes, the VIMLUK front pipe offers reliable stainless steel construction and detailed craftsmanship at a competitive level. Its focus on direct compatibility enhances value, eliminating common issues with fitment and additional fabrication work.
Pros
- Millimeter-precision direct fit with no modifications needed
- Durable 409 stainless steel resists heat and corrosion
- Includes OEM-spec gasket and all mounting hardware for easy installation
Cons
- Limited to 2006-2011 Honda Civic 1.8L engine compatibility only
The 409 Stainless Steel Front Exhaust Pipe by VIMLUK stands out as a reliable upgrade that maintains factory fitment while boosting exhaust flow and sound quality. Its solid construction and inclusion of installation essentials provide confidence in both performance and longevity.
| Specification | Details |
|---|---|
| Brand Name | VIMLUK |
| Manufacturer Part Number | 18210-SNE-A01 |
| Fitment | 2006-2011 Honda Civic 1.8L |
| Material | 409 Stainless Steel |
| Diameter | 2 inches |
| Included Components | Graphite sealing gasket, screws, nuts, spring screws, triangular gasket, imperial tape measure |
| Item Type | Automotive exhaust pipe |
For those looking to enhance engine breathing without complex installation, this front pipe delivers precision and durability. Its direct-fit design reduces backpressure and adds a subtle performance sound, ideal for Civic owners wanting a straightforward upgrade. The included hardware package simplifies setup, making it a reliable choice among similar options.
8. Spec-D Tuning 4 Burnt Tip Exhaust System

Upgrade your Honda Civic’s exhaust system with the Spec-D Tuning 4 Burnt Tip Exhaust System, designed to enhance both performance and style. This exhaust offers a visually appealing burnt tip design and superior sound quality, making it a practical and attractive upgrade for select Civic models. Ideal for drivers aiming to boost their car’s exhaust output without complicated installation, it combines function and flair seamlessly.
Crafted specifically to fit Honda Civic 1992-2000 models, including DX, LX, EX, and Si variants, the system ensures a tailored fit that minimizes the need for modifications. Manufactured with durable materials, it guarantees longevity while delivering branded performance. The exhaust’s design improves airflow, which can contribute to subtle power gains and a more aggressive exhaust note.
The Spec-D Tuning exhaust system stands out for its straightforward installation process, requiring only minimal adjustments for proper fitting. Its burnt tip finish not only adds a sporty touch to the rear of the vehicle but is also built to resist corrosion over time.
This setup is perfect for drivers who want a balance between sporty aesthetics and functional enhancement.
Beyond looks, the exhaust is engineered to optimize sound without being overly loud or intrusive, appealing to drivers seeking an improved auditory experience. It supports better exhaust flow compared to the stock system, which can result in slight improvements in throttle response and engine efficiency.
Compatibility is limited to specific Civic models manufactured between 1992 and 2000, so confirming your vehicle’s year and trim is recommended before purchase. Those who prefer hassle-free upgrades will appreciate how this exhaust streamlines the modification process while delivering measurable benefits.
Pros
- Precision fit for 1992-2000 Honda Civic 2/4DR EX and Si models
- Distinctive burnt tip design enhances vehicle appearance
- Improves exhaust flow for better engine responsiveness
Cons
- Limited compatibility excludes newer Civic generations
The Spec-D Tuning 4 Burnt Tip Exhaust System offers a well-rounded solution for upgrading your older Honda Civic’s exhaust setup. Its combination of style, improved performance, and simple installation makes it a smart choice for owners of compatible models. While newer Civic owners may need to explore other options, this system remains a standout for the specified lineup.
While newer Civic owners may need to explore other options, this system remains a standout for the specified lineup.
| Specification | Details |
|---|---|
| Brand | SPEC-D TUNING |
| Model Number | MFCAT2-CV92T-SD |
| Fitment | Honda Civic DX/LX/EX 1992-1995, EX 1996-2000, Si Coupe 1999-2000 |
| Item Weight | 24 pounds |
| Included Components | Warranty Documentation |
From my experience, the Spec-D Tuning exhaust is a reliable upgrade for Civic owners focused on enhancing exhaust tone and vehicle style. It doesn’t require extensive modifications, making it accessible for most DIY installers.
Although it is not designed for the 9th gen Civic Si, older generation Honda drivers will find it a worthwhile enhancement at its competitive quality level.
9. J2 Engineering J2-CBE-034 Stainless Steel Dual Muffler Exhaust System

Upgrade your 9th gen Civic Si with the J2 Engineering J2-CBE-034 Stainless Steel Dual Muffler Exhaust System. Designed to boost power and deliver a rich, aggressive sound that enhances every drive.
Its robust construction ensures long-lasting performance on the road.
Made to fit 2007-2011 Honda Civic Si 4-Door 0L engines, this exhaust system combines precision engineering with durable materials. Experience an impressive horsepower increase while enjoying a deeper exhaust tone tailored for smooth airflow and engine efficiency.
The J2 Engineering exhaust system features high-quality stainless steel construction with computerized mandrel bends for increased strength. Its TIG-welded CNC machined flange improves resistance to corrosion and pressure, guaranteeing durability under demanding conditions. Larger pipes and low-restriction mufflers reduce exhaust back pressure for improved engine output.
Larger pipes and low-restriction mufflers reduce exhaust back pressure for improved engine output.
Performance gains are proven with a dyno-tested horsepower boost ranging from 15 to 25, alongside enhanced low-end torque. The dual muffler design offers an aggressive yet smooth exhaust note that enhances the driving experience without becoming overwhelming. Installation includes necessary gaskets and hardware, simplifying the upgrade process.
This exhaust system suits drivers focused on performance and sound refinement for their 9th gen Civic Si. Compared to stock exhausts, it provides notable power and tonal improvements without sacrificing efficiency or reliability. Its polished exterior adds a sleek appearance to your vehicle’s rear.
Its polished exterior adds a sleek appearance to your vehicle’s rear.
Pros
- Dynoproven horsepower increase of 15-25 hp for better performance
- Durable stainless steel with mandrel bends and TIG-welded flange
- Smooth, aggressive exhaust tone enhancing driving experience
Cons
- Installation may require professional assistance for some users
The J2 Engineering J2-CBE-034 delivers measurable performance benefits, solid build quality, and enhanced sound for the 9th gen Civic Si. It stands out against competitors by balancing power gains with a refined tone and reliable construction.
Consider this exhaust upgrade to enjoy a stronger and more engaging ride.
| Specification | Details |
|---|---|
| Fitment | 2007-2011 Honda Civic Si 4-Door 2.0L l4 |
| Material | High-Quality Stainless Steel |
| Pipe Diameter | 2.25″ Inlet & Major Piping |
| Muffler Exhaust Tips | 4.5″ |
| Welding | TIG Welded with CNC Machined Flange |
| Weight | 26.1 pounds |
| Exterior | Polished Finish |
| Includes | Gaskets and Hardware |
From my experience, the J2 Engineering system fits well and sounds impressive without being too loud. The performance jump is noticeable, making it a worthwhile upgrade for Civic Si owners seeking more power and style.
Its solid build gives confidence that it will last.
10. DNA Motoring CBE-HC922-BT Cat Back Exhaust System

Upgrade your 9th gen Civic Si with an exhaust system designed for enhanced performance and sound. The DNA Motoring CBE-HC922-BT Cat Back Exhaust System combines durability with impressive horsepower gains.
Its polished stainless steel finish brings a sleek look, matching the aggressive tone it gives your vehicle. Engineered to improve exhaust flow, it significantly boosts efficiency and low-end torque.
The DNA Motoring CBE-HC922-BT fits Honda Civic models from 1992 to 2000, including coupe and sedan variants. Some models may require additional piping for installation, adding flexibility for different setups.
TIG-welded CNC flanges resist corrosion and maintain pressure integrity, contributing to the system’s durability. The 3-inch diameter piping and low-restriction mufflers enable smooth exhaust flow with minimal back pressure. This design not only improves engine output but also produces a deep, aggressive exhaust note that stays smooth and refined.
This design not only improves engine output but also produces a deep, aggressive exhaust note that stays smooth and refined.
Dyno testing confirms the system elevates horsepower by 15 to 25 points and significantly increases low-end torque. Ideal for drivers wanting to enhance both sound and performance without compromising reliability. Installation might require some mechanical knowledge, and checking for extra piping compatibility is recommended before purchase.
The polished exterior adds aesthetic value that complements the vehicle’s look.
Pros
- Boosts horsepower and torque by improving exhaust flow
- Durable 409 stainless steel construction with corrosion resistance
- Produces a deep, smooth, and aggressive exhaust tone
Cons
- May require additional piping depending on vehicle model
The DNA Motoring CBE-HC922-BT exhaust system offers excellent value through enhanced vehicle performance and a striking exhaust sound. It suits Honda Civic owners aiming to improve their car’s engine output and audio presence without frequent maintenance concerns.
| Specification | Details |
|---|---|
| Manufacturer | DNA Motoring |
| Model | CBE-HC922-BT |
| Fitment | 92-00 Honda Civic Coupe/Sedan; 96-00 Civic DX/LX (extra piping may be needed) |
| Material | 409 Stainless Steel |
| Pipe Diameter | 3″ OD Inlet and Main Piping |
| Weight | 23.8 pounds |
| Finish | Polished |
| Welding | TIG welded CNC flange |
This exhaust system stands out for combining solid construction with proven performance improvements. It delivers a custom feel to the Civic Si while maintaining reliability, making it a worthy upgrade for daily driving or spirited weekend runs.
11. BORLA 11828 Axle-Back Exhaust System for Honda Civic

Enhance your Honda Civic’s performance and sound with the BORLA 11828 Axle-Back Exhaust System. Designed specifically for Civics from 2012 to 2015, this exhaust offers an aggressive tone without sacrificing smoothness. Crafted for durability and precision, it’s a reliable upgrade that delivers a noticeable difference.
Built entirely from T-304 stainless steel, the BORLA axle-back system resists corrosion and maintains longevity under harsh conditions. Its bolt-on installation means no complicated modifications or cutting, making it convenient for DIY enthusiasts.
The all-welded construction ensures a sturdy fit and reduces the chance of leaks, preserving your vehicle’s performance.
The exhaust’s design focuses on reducing unwanted drone while providing a rich, sporty sound that enhances the drive experience. It improves exhaust flow, which can aid in better throttle response and slight horsepower gains. Although primarily developed for the 9th gen Civic Si, it also suits owners seeking an OEM-level fitment with upgraded sound.
Carefully engineered in the USA, the system meets exacting quality standards and is backed by the brand’s reputation. Weighing just 5 pounds, the system is lightweight and does not add unnecessary bulk to the rear of your car. Its polished finish maintains visual appeal, complementing the Civic’s sporty look.
Its polished finish maintains visual appeal, complementing the Civic’s sporty look.
Compared to other axle-back options in the market, the BORLA 11828 combines premium materials and user-friendly installation. It provides a balanced sound profile rather than an overly aggressive or raspy tone. This exhaust suits drivers wanting noticeable improvement without the common side effects of aftermarket systems.
This exhaust suits drivers wanting noticeable improvement without the common side effects of aftermarket systems.
Pros
- Durable T-304 stainless steel construction resists corrosion
- Simple bolt-on installation with no cutting required
- Refined sound that reduces drone during highway cruising
Cons
- May be slightly pricier than basic axle-back systems
The BORLA 11828 Axle-Back Exhaust System is a solid choice for Civic owners seeking improved sound and performance with reliable construction. It strikes a balance between aggressive exhaust tone and comfortable driving noise levels. Below is a quick specification overview for easy reference.
| Specification | Details |
|---|---|
| Brand Name | BORLA |
| Manufacturer Part Number | 11828 |
| Number of Items | 1 |
| Material | T-304 Stainless Steel |
| Item Weight | 5 pounds |
| Item Type | Axle Back Exhaust System |
| Model Number | 11828 |
| Included Components | Axle Back Exhaust |
| OEM Equivalent Part Number | 11828 |
This system is tailored for drivers who want a manageable exhaust note without the hassle of complex installation. Its blend of quality and performance offers great value within its category.
12. Invidia Q300 Cat-Back Exhaust System for Honda Civic Si Sedan

Enhance your driving experience with the Invidia Q300 Cat-Back Exhaust System designed specifically for the Honda Civic Si Sedan. Crafted to deliver a deeper and more aggressive exhaust note, it perfectly balances performance and sound refinement.
The system combines precision engineering and durable materials that offer improved airflow and a sporty tone without overwhelming noise levels. Ideal for those seeking to elevate their Civic Si’s presence both on the street and track.
The Invidia Q300 Cat-Back Exhaust features a 70mm piping diameter that optimizes exhaust flow. This design reduces back pressure, resulting in better throttle response and enhanced engine efficiency.
Manufactured in Taiwan, the build quality meets rigorous standards to provide a precise fit for the 9th generation Civic Si. Installation is straightforward with a direct bolt-on design that doesn’t require additional modifications or cutting.
This exhaust system stands out by delivering a sporty yet refined exhaust note that improves the Civic Si’s overall driving character. It’s suitable for daily drivers who want a noticeable performance sound and car owners who wish to improve exhaust efficiency without sacrificing comfort.
Pros
- Durable stainless steel construction resists corrosion.
- Optimized 70mm piping enhances exhaust flow and response.
- Direct-fit design allows easy, no-cut installation.
Cons
- May produce a louder exhaust note than stock, which could affect noise-sensitive areas.
The Invidia Q300 Cat-Back Exhaust System offers a well-rounded enhancement for Honda Civic Si Sedan owners seeking better sound and performance. It balances durability with a sporty tone, making it a solid choice among similar aftermarket exhausts.
| Feature | Details |
|---|---|
| Manufacturer | Invidia |
| Model Number | HS12HC4G3S |
| Weight | 40 pounds |
| Piping Diameter | 70 millimeters |
| Material | Stainless Steel |
| Country of Origin | Taiwan |
For Civic Si owners seeking to amplify their car’s voice and enhance performance, the Invidia Q300 strikes an excellent balance between sound quality and functionality. It fits precisely and sounds great without being intrusive during everyday drives, making it a reliable upgrade to consider.
Top Exhausts for 9th Gen Civic Si: Ultimate Buying Guide
Compatibility with 9th Gen Civic Si
Model year and trim considerations. Exhaust fitment and installation requirements. OEM vs aftermarket compatibility.The best exhaust for 9th gen Civic Si varies depending on the model year and trim, as these factors affect compatibility and fitment. Since the 9th generation Civic Si spans multiple years with slight variations, selecting an exhaust system that matches the specific model year ensures proper installation without modifications.
Exhaust fitment often requires attention to connection points and clearance, so reviewing manufacturer specifications is helpful to avoid complications during installation. When choosing between original equipment manufacturer (OEM) and aftermarket exhaust systems, consider whether the goal is to maintain factory standards or enhance performance and sound. OEM parts generally offer a straightforward fit and maintain factory warranty, while aftermarket options may provide increased airflow, sportier sound profiles, and weight reduction but might need professional installation or additional adjustments.
Compatibility with 9th gen Civic Si is best achieved by prioritizing systems designed explicitly for this generation, ensuring both functionality and an optimal driving experience.
Performance Gains
Horsepower and torque improvements. Impact on fuel efficiency. Exhaust flow and backpressure effects.When choosing an exhaust system for the 9th generation Civic SI, understanding how it affects horsepower and torque is key. A well-designed exhaust improves exhaust flow by reducing backpressure, allowing the engine to breathe more freely and generate increased power. This improvement in airflow often leads to noticeable gains in both horsepower and torque, enhancing the vehicle’s overall driving performance.
This improvement in airflow often leads to noticeable gains in both horsepower and torque, enhancing the vehicle’s overall driving performance. Additionally, changes in the exhaust can impact fuel efficiency. With better combustion efficiency resulting from smoother exhaust flow, the engine may use fuel more effectively, potentially leading to slight improvements in mileage.
However, the extent of these changes depends on factors like exhaust design and driving habits. Paying attention to materials and construction quality, as well as compatibility with the engine and emission requirements, helps ensure the chosen system optimizes power without compromising reliability or fuel economy.
Sound and Tone
Exhaust note characteristics. Noise level regulations and legality. Adjustable or customizable sound options.When choosing an exhaust for the 9th gen Civic Si, the sound and tone play a significant role in the overall driving experience. Different exhaust systems offer unique exhaust note characteristics, ranging from deep and throaty to high-pitched and aggressive, allowing drivers to match their preference for how their vehicle sounds.
Some systems provide adjustable or customizable sound options, enabling owners to modify the exhaust output to suit different moods or settings. Paying attention to these aspects will help find an exhaust that enhances both performance and auditory appeal without compromising legal standards.
Materials and Durability
Stainless steel vs aluminized steel vs titanium. Corrosion resistance and weather suitability. Warranty and manufacturer reputation.When selecting the best exhaust for 9th gen Civic SI, understanding materials and durability plays a big role in making a smart choice. Stainless steel, aluminized steel, and titanium each offer distinct advantages depending on your driving environment and maintenance preferences.
Aluminized steel provides a budget-friendlier option, offering decent protection against rust but might be less resilient under harsh weather conditions. Titanium, although typically found in higher-end exhaust systems, offers exceptional durability and resistance to corrosion while remaining lightweight, but it usually comes at a premium price.
Warranty coverage and the reputation of the manufacturer can indicate the build quality and reliability of an exhaust system, which adds peace of mind for everyday drivers and those who enjoy spirited driving alike. Choosing a product backed by a solid warranty and positive reviews can contribute to a longer-lasting and more satisfying upgrade for your Civic SI.
Installation and Maintenance
Ease of installation (bolton vs custom work). Required modifications or supporting upgrades. Maintenance frequency and costs.When choosing the best exhaust for 9th gen civic si, understanding the installation process and ongoing maintenance will help in making a confident decision. Some exhaust systems are designed to be bolt-on, meaning they fit directly onto existing mounts without the need for cutting or welding, which simplifies installation and reduces time spent in the garage.
Regular maintenance involves inspecting for rust or damage and occasional cleaning to maintain performance and sound quality. Maintenance frequency depends on driving conditions and material quality, with stainless steel variants generally demanding less upkeep compared to those made from milder metals.
Costs for maintenance are usually modest, but custom installations might incur higher labor expenses initially. Overall, choosing an exhaust system that balances your preferences for sound, performance, and ease of installation can contribute to a smoother experience both at installation and throughout the life of the product.
Budget and Value
Price ranges and what to expect at each level. Longterm value and resale potential. Balancing cost with performance and quality.When choosing the best exhaust for 9th gen Civic Si, price plays a significant role in what you can expect from the product. Lower-priced options often offer decent sound improvements and modest performance gains but may lack durability and premium materials. Mid-range exhaust systems tend to strike a balance by delivering improved horsepower and a more refined exhaust note while using higher-quality stainless steel that resists corrosion better over time.
At the higher end, you can expect top-tier craftsmanship, enhanced engine efficiency, and unique sound characteristics, often backed by warranties and brand reputation. Considering long-term value, investing in a reliable and well-built exhaust can lead to better resale potential if the components remain in excellent condition and maintain appeal within the Civic community.
Balancing cost with performance and quality means evaluating how much sound enhancement, power increase, and material longevity you desire without overspending on features that may not be necessary for everyday driving or occasional spirited runs. Taking time to match your budget with your goals helps secure an exhaust system that delivers satisfaction well beyond the initial purchase.
People Also Asked
What Are The Top-Rated Exhaust Systems For A 9Th Gen Civic Si?Top-rated exhaust systems for a 9th gen Civic Si include the Invidia N1 Race Exhaust and the Greddy Cat-Back Exhaust, both praised for their improved sound and performance. Additionally, the Borla Cat-Back Exhaust is popular for its quality craftsmanship and aggressive tone.
How Does Upgrading The Exhaust Affect The Performance Of A 9Th Gen Civic Si?Upgrading the exhaust on a 9th gen Civic Si improves airflow, which can increase horsepower and torque by reducing backpressure. It also enhances the engine sound, giving the car a more aggressive and sporty tone.
What Is The Best Budget-Friendly Exhaust Option For A 9Th Gen Civic Si?The best budget-friendly exhaust option for a 9th gen Civic Si is the DC Sports Cat-Back Exhaust, offering improved sound and performance without breaking the bank. It provides a good balance of quality, durability, and value for enthusiasts on a budget.
Are There Any Exhaust Systems Specifically Designed For Improved Sound On The 9Th Gen Civic Si?Yes, several aftermarket exhaust systems are specifically designed to enhance the sound of the 9th gen Civic Si, such as options from brands like Catback and HKS. These systems improve exhaust tone and performance while providing a more aggressive and sporty sound.
How Difficult Is It To Install An Aftermarket Exhaust On A 9Th Gen Civic Si?Installing an aftermarket exhaust on a 9th gen Civic Si is generally a moderate DIY task that can be completed with basic hand tools and mechanical knowledge. However, some users may find it challenging due to rusted bolts or tight clearances, so having a friend assist or professional help might be beneficial.
Conclusion
Choosing the best exhaust for 9th gen Civic Si involves balancing performance gains, sound quality, and durability. High-quality options improve horsepower and torque while delivering a more aggressive exhaust note, but some may introduce added noise or require professional installation. These exhaust systems are well-suited for drivers seeking enhanced driving dynamics without sacrificing everyday comfort.
Potential buyers should also consider factors such as material type and compatibility with aftermarket modifications. While no single exhaust fits every need perfectly, the best exhaust for 9th gen Civic Si will provide a satisfying blend of power and style that aligns with your personal preferences and driving habits.
Overall, investing in a respected brand with solid reviews will help ensure a rewarding upgrade tailored to this specific vehicle.
