Are you looking for the most exemplary Honda Civic exhaust system to replace or improve your existing system? The process of picking the best exhaust system to improve your driving experience might be complicated since there are so many options.

Not only that, but in your quest to find the right one, you may come across bogus testimonials or unscrupulous vendors. But don’t be concerned; after reading this page, you’ll be well-prepared to deal with the tension that comes with the process of choosing. So check out this article about the best exhaust for civic si.


At a Glance Product List

Image Product Details Price
backpac Skunk2 Racing 1. CNC machined Flanges
2. Medical Grade Titanium tip
3. Triple airflow grooves
4. Integrated heat fins
5. Suits with models 2000-2009
Check Latest Price
cordlessblower Invidia HS06HC4G3T 1. Professional Installation required
2. 5-inch pipe diameter and 5-inch muffler tip diameter
3. Super lightweight
4. Muffler tube is T304 5 inch stainless steel racing muffler
4. Best fit for 2000-2009
Check Latest Price
cordlessblower Spec-D Tuning 4″ 1. T-304 stainless steel made 4 inches muffler
2. TIG-welded CNC machine flange
3. Deep humming and smooth tone sound
4. Larger pipe, low restriction muffler
5. Suits with Honda S2000 models from 00-03
Check Latest Price
cordlessblower MagnaFlow 19394 1. T-304 stainless steel made 4 inches muffler
2. TIG-welded CNC machine flange
3. Deep humming and smooth tone sound
4. Larger pipe, low restriction muffler
5. Suits with Honda S2000 models from 00-03
Check Latest Price
cordlessblower Spec-D Tuning N1 1. T-304 stainless steel made 4 inches muffler
2. TIG-welded CNC machine flange
3. Deep humming and smooth tone sound
4. Larger pipe, low restriction muffler
5. Suits with Honda S2000 models from 00-03
Check Latest Price
cordlessblower Yonaka 2.5″ 1. T-304 stainless steel made 4 inches muffler
2. TIG-welded CNC machine flange
3. Deep humming and smooth tone sound
4. Larger pipe, low restriction muffler
5. Suits with Honda S2000 models from 00-03
Check Latest Price
cordlessblower Exerock 674-608 1. T-304 stainless steel made 4 inches muffler
2. TIG-welded CNC machine flange
3. Deep humming and smooth tone sound
4. Larger pipe, low restriction muffler
5. Suits with Honda S2000 models from 00-03
Check Latest Price

bout Civic Si Exhaust

Honda’s Civic Si is a sporty minor variant of the Civic available in the United States. This model was introduced as a third-generation car in Japan and the United States. In Canada and worldwide, the trim was referred to as the Si for the sixth and seventh editions. Moreover, the Si trim has similarities with the EX-model of USDM.

Since 1984 the first model has been maintaining its position till now. A high-performance Civic variant, designated as the Civic Type R for the Japanese and European markets, has been developed.

In 1992, Honda debuted the Civic’ Si,’ the fifth-generation Honda Civic Si. The Civic Si exhaust system was phased out as a fifth-generation model in the year 1992. And replaced with the Sixth Generation 2000 Civic Si exhaust system. The Civic Si exhaust was resurrected in 1999 as a coupé-only variant.

The Civic Si had a redesigned exhaust system with larger-diameter pipes. Following that, Honda unveiled the 2003 Civic Si exhaust, which included a high-flow exhaust system in the vehicle’s center. I will today discuss about the best exhaust for civic si, that will suit your car.

Only the Mugen sedan offered the Fiji Blue Pearl color, which featured a more extensive cat-back exhaust system. The 9th gen Mugen sedan exhaust is well-known. Following that, Honda 15 Civic Si exhaust updated the exhaust system in the 9th generation. Resulting in higher power and torque of 205 horsepower. Lastly, 10th gen Civic Si has the improved exhaust as in the 2000 Civic Si exhaust system. It carried the 2000 Civic Si muffler.

What are the best features of Civic Si Exhaust?

To remove the gases produced by combustion from the engine, every automobile must have an exhaust system. I have identified some feature that is necessary for best exhaust for civic si and discuss them in detail.

Exhaust systems: The Honda Civic Si is equipped with five different exhaust systems, even though each one performs nearly the same function.

Stock exhaust: It is the most common type of exhaust system to have a single outlet. They’re most commonly found in automobiles. Dual rear exit exhaust systems are frequently found on sporty cars. They can be added to a vehicle to make it appear sportier. The exhaust develops a richer tone, allowing the engines to sound more potent as a result.

Exhaust flow: When it comes to twin rear exhaust systems that don’t bend, opposing dual exhaust systems are slightly different. The Civic Si exhaust system from the 2015 model year is this type.

They make a loop around the wheel, each bend contributing to the filtration process. As the name implies, a dual-side exhaust system has two pipes on one side that are close to one another. Gases are expelled more effectively through two exit pipes than through a single exhaust pipe.

Exhaust tone: High-performance exhaust systems are more expensive, but they effectively filter out harmful gases. More expensive the tone gets deeper.

Aftermarket exhaust: There is plenty of aftermarket exhaust available. It should be noted that they are not conventional and must be installed aftermarket.

Exhaust Muffler: This large drop in exhaust pressure allows the turbine to spin smoothly even at low RPMs, resulting in an improvement in engine production across the whole speed range.

  1. Skunk2 Racing (413-05-6025) and (413-05-6050) MegaPower RR Exhaust System


An engine’s performance depends on a well-designed exhaust system. You should know first that, there are two different models they suit cars from different generations. With this in mind, Skunk2’s has one model, MegaPower RR exhaust system suitable for the 2006 to 2011 Civic Si Coupe has been designed and refined over the last 15 years of racing expertise The model from Skunk2 is definitely the best exhaust for civic si..

The MegaPower RR system has been bench tested for maximum horsepower, is made of T304 stainless steel, is TIG welded under robot control, and features a CNC mandrel bend for an accurate fit.

The MegaPower RR has another model of exhaust system designed for maximum flow and performance, with oversized pipes and mufflers that make a lot of noise compared to other MegaPower systems. Japan’s Super N1 design MegaPowerRR exhaust system optimizes engine airflow and volume with carefully selected application-specific pipe lengths and diameters.

Model 413-05-6025: It is made for those Civic Si models from 2006 to 2011. It gives awesome performance and feel while driving. It is made with Stainless steel and has good control over the driving.

Model 413-05-6050: This is another model of exhaust that is made for improved flow and performance. Also, it gives additional thrust on driving with a roaring sound. It is suitable for 2012 to 2015 models.


  • Piping Diameter: The piping diameter of the Skunk2 Racing MegaPower RR Exhaust Systems is approximately 3 inches on both models. It also has a serialized MegaPower Badge on the tip that measures 4.33 inches in length.
  • Construction: The Skunk2 Racing MegaPower RR Exhaust System are both CNC Mandrel-Bent. Both of them are constructed of T-304 stainless steel that has been robotically tig welded.
  • Compatibility: The Skunk2 Racing 413-05-6025 MegaPower RR Exhaust System is only compatible with the Honda Civic Coupe Si from 2006 to 2011. The Skunk2 Racing 413-05-6050 MegaPower RR Exhaust System, on the other hand, is only compatible with the Honda Civic Si from 2012 to 2015.
  • Fuel Efficiency: The engine can readily clear exhaust gases thanks to the cat-back system with quadruple airflow grooves. Reduced friction reduces the torque on the engine, resulting in lower fuel consumption. On freeways and town roads, fuel efficiency improves as a result of the exhaust.
  • Simple to Set up: The majority of consumers agree that somehow this exhaust is extremely convenient and simple to install. The installation is completed with only a few ratchets and jack supports. The purchase would be recommended because of the hassle-free installation.


Technical Specifications:

  • 3-inch T-304 stainless steel pipe, 4.33-inch stainless steel tip with serialized MegaPower badge, CNC mandrel bent, and robotically tig-welded
  • Designed for N/A and Turbo applications that have undergone significant changes in functionality.
  • Based on dyno testing, there could be up to 30 horsepower gains (depending on supporting upgrades)
  • Hardware for installation as well as a detachable muffler silencer is included.
  • Both products weigh 250 pounds.
  • Both products are made of stainless steel. 


  • This exhaust can be modified in many ways
  • Depending on supporting enhancements, dyno-proven horsepower boosts of up to 30hp are possible.
  • Included are the necessary installation and removal hardware as well as the muffler silencer.
  • When compared to similarly priced systems, these systems provide greater performance, superior build quality, and optimum sound.


  • It does not include a heat shield.

  1. Invidia Q300 70mm Cat-Back Exhaust System (HS06HC4G3T) & (HS12HC4G3S) Tip


The flat bottom design of the Invidia Q300 70mm Cat-Back Exhaust System muffler improves aerodynamic performance at high speeds also comes in two different models. The use of SUS304 polished stainless-steel tubing and other models is made with Titanium rolled tip, a contemporary CNC machined flange, and robotic TIG welding, as well as double wall polished stainless-steel chips, ensures great durability and aesthetics.

The internal muffler of this exhaust incorporates a full-length plumbing design and the use of Advantex material, with superior free-flow exhaust with optimized back pressure for more power, torque gain. Titanium chips guarantee excellent durability and optical systems. It is one of the best exhaust for civic si that you can use in your wheel.

Model HS12HC4G3S: Invidia has made this excellent exhaust system for Civic Si models from 2006 to 2011. It is really awesome when installed in your car. You will enjoy good control while driving your car.

Model HS06HC4G3T: This is another model of exhaust that comes with better performance, sounding and other features. Also, it gives additional thrust on driving with a roaring sound. It is suitable for 2012 and later models.


  • Titanium tip: Because of the high quantity of air that can travel through the titanium tip, it is a popular choice. The heat fins created inside the chamber assist in keeping the elements cold as a result of this design. This tip is incredibly well-constructed, and it is particularly well-suited for heat deflecting applications. It’s a pretty handy piece of equipment.
  • Stainless Steel Tip: They used SUS304 polished stainless steel tubing, CNC machined flanges, Robot TIG-welded, as well as double wall brushed stainless steel to create a piece that’s both long-lasting and aesthetically pleasing.
  • Piping Diameter: The Invidia Q300 70mm Cat-Back Exhaust System has a pipe diameter of 70mm.
  • Compatibility: It is only compatible with Honda Civic Coupe Si models manufactured between 2006 and 2011. The Invidia Q300 70mm Cat-Back Exhaust System (HS06HC4G3T) is only compatible with the Invidia Q300. According to Invidia, the Invidia Q300 70mm Cat-Back Exhaust System (HS12HC4G3S) is only compatible with Honda Civic Si cars built after 2012.
  • Fuel Economy: Installing an Invidia cat-back system exhaust may boost fuel economy dramatically. The cat-back system’s three airflow channels swiftly remove the engine’s exhaust gases. Reduced friction decreases the gear ratio of the engine and, as a consequence, its fuel consumption. This exhaust directly contributes to the engine’s greater efficiency on motorways and city streets.


Technical Specifications:

  • CNC machined Flanges
  • Mandrel-bent tube
  • Robot TIG welding
  • HS06HC4G3T weights about 5 pounds and HS12HC4G3S weights about 40 pounds.
  • HS06HC4G3T is made of Titanium Rolled Tip and HS12HC4G3S is made of Stainless Steel Rolled Tip.
  • Dimensions of HS06HC4G3T is, Height- 718, Length- 119.126, Width- 45.974 centimeters.
  • Dimensions of HS12HC4G3S is, Height- 845, Length- 51.765, Width- 45.72  centimeters.


  • The muffler with a flat bottom
  • Free flow exhaust double wall polished stainless steel with Advantex material
  • Boosts torque at high RPMs
  • Enhanced performance and fuel economy


  • It’s a raucous rumble

  1. Spec-D Tuning Catback Exhaust System Compatible for 1992-2000


Spec-D Tuning 4″ Burnt Tip Catback Exhaust System is Made of high-quality full stainless steel T304. It has the Japanese N1 style. Comes with a removable muffler. It can increase up to 15 horsepower. Guarantees a deep and smooth tone. The CNC mandrel is bent. Comes with stickers, hangers, and screws.

Tube Installation instructions are not included. Professional installation is highly recommended. Even though this 4-inch stainless steel Cat-back exhaust system produces a loud, resonating sound, the exhaust flow remains stable.


  • Sound: Despite the fact that this 4-inch stainless steel cat-back exhaust system produces a loud and resonant sound, the exhaust gas flow stays smooth. User feedback has led to the creation of an exclusive ring resonator that fulfils strict sound level specifications and is widely used.
  • Compatibility: The Spec-D Tuning 4 is compatible with the Spec-D Tuning 3 “The Honda Civic Si is a wonderful fit for the Burnt Tip Catback Exhaust System, and the two work together seamlessly. There are two-door and four-door models of the vehicle to choose from. Production of the model took place between 1999 and 2000.
  • Piping Diameter: The Spec-D Tuning 4 is the diameter of the pipping “Tip that has been burned The Catback Exhaust System features a 4-inch diameter “Tip of titanium outlet that has been burned. Its piping diameter is around 2.5 inches”.


Technical Specifications

  • Stainless steel T-304 is utilized throughout the building.
  • A mandrel bend on a cat-back pipe is used.
  • 5-inch pipework with a 4″ titanium-burned end cap
  • Fits Honda Civic Si models from 1999 to 2000.
  • Spec-D Tuning 4 weights about 24 pounds.
  • The Spec-D Tuning 4 is made entirely of T-304 stainless steel.


  • A removable silencer is included with the purchase.
  • Provides instantaneous horsepower
  • Produces a rich, resonant tone
  • Exhaust system with a bolt-on design 


  • The product does not come with any instructions on how to install it.

  1. MagnaFlow 19394 Cat-Back Performance Exhaust System


The Competition Series Performance Exhaust System is built for tremendous performance and sound, as the name suggests. This MagnaFlow 19394 Cat-Back Performance Exhaust System is truly built for the driver, with intensive testing and bench-proven performance.

MagnaFlow uses cutting-edge 3D scanning technology to verify that this exhaust system fits and outperforms the original equipment. High-quality fit and durability are achieved by using a CNC precision robot to construct a highly corrosion-resistant stainless-steel framework. Designed to be a long-lasting exhaust pipe for your vehicle.


  • Sound: As the name implies, Competition Series exhaust system systems are engineered to provide the best possible performance and sound. Straight-through mufflers that are smaller and louder, as well as fast-flowing tubular bent pipes, allow for decreased exhaust flow restriction, less system weight, and a sound that is meant to be heard on the track.
  • Performance: With thorough testing and dyno-proven power, this exhaust is really made for those who like to drive. In addition to the catalytic converter, it is anticipated to have all of the original exhaust components as well. These systems are legal in all 50 states and are designed to provide the most power possible based on manufacturer calibration.
  • Construction: Constructed of stainless steel, which is extremely corrosion resistant and combines CNC precision robotic manufacturing for optimal fit and longevity. Specifically designed to last the whole life of your vehicle’s exhaust system.
  • Compatibility: MagnaFlow 19394 Cat-Back Performance Exhaust System is built exclusively for the 2017-2020 Honda Civic Si and is available in a variety of colors.


Technical Specifications:

  • Strong sound and performance
  • Bend pipes with a fast-flowing mandrel
  • Highly corrosion-resistant stainless steel construction
  • CNC precise robotic production
  • Designed specifically for the Honda Civic Si from 2017 to 2020.
  • The MagnaFlow 19394 Cat-Back Performance Exhaust System weighs about 43 pounds.
  • Package Dimension is 25 x 13.5 x 33.5 inches.


  • The system with a smaller weight and a meaner sound
  • optimal fit and efficiency
  • Straight-through mufflers are smaller and noisier than normal mufflers.
  • both fit and operate better than the original equipment.
  • Highly corrosion resistant


  • Occasionally, a deep throaty rumbling tone may be heard.

  1. Spec-D Tuning N1 Exhaust Catback System Honda Civic 2Dr Si 2006-2011


This item is constructed entirely of T-304 stainless steel and finished in brilliant chrome. It is equipped with a removable silencer. It has the potential to increase horsepower by up to 15%. Provides a rich, silky tone to the skin.

Using a CNC mandrel to bend a tube comes complete with gaskets, a hanger, and bolts. The product does not come with any instructions for installation. With a polished finish, this fresh new exhaust is just too useful. Unquestionably, the most important development in the exhaust industry has occurred here.


  • Performance: Increased performance is achieved by using larger pipes, low-restriction. Increased performance is achieved by using larger pipes, low-restriction Every element is coupled with a high-performance exhaust system to provide the ultimate driving experience. This sort of exhaust system is quite beneficial to Honda Civic Si autos.
  • Compatibility: This Spec-D Tuning N1 Exhaust Catback Exhaust System is intended particularly for the Honda Civic Si vehicle from 2006 to 2011.
  • Construction: Spec-D is the construction code. The Tuning N1 Exhaust Catback Exhaust System is constructed of stainless steel of the highest quality. It has a lovely, sparkly shine on the exterior of it, which I like. Designed in the Japanese N1 style, a contemporary take of the traditional.


Technical Specifications

  • CNC mandrel bent
  • Exhaust has a 4″ outlet tip and 2.5″ piping
  • Japanese N1 style exhaust
  • Smooth stainless steel polished. Exteriors are made of silver.
  • Best fit with 2006-2011 Civic Si models
  • Spec-D Tuning N1 Exhaust Catback Exhaust System is about 23.3 pounds of weight.


  • It comes with a detachable silencer.
  • Increases horsepower by up to 15%
  • The tone is deep and silky.
  • Gaskets, hangers, and bolts are included.
  • Gleaming chrome polish


  • There are no instructions on how to install the product.
  • Installation by a professional is essential and is cost-effective.

  1. Yonaka Catback Exhaust for Honda Civic 2006-2011 2DR Coupe (2.0L Si Only)


A lifetime guarantee is included with the Yonaka 2.5′′ performance cat-back exhaust system. There is no further work that can be done in this area as a consequence of this. Stainless steel that has been fully polished. 2.5 inches piping bent on a mandrel 4.25 % “Tip made of stainless steel.

Many consumers have said that the Yonaka Catback exhaust system was well worth their money. It’s easy to maintain, fuel-efficient, attractive, and affordable. It was, overall, a good experience. It’s a straight bolt-on replacement for the original equipment.


  • Sound: This 2.5-inch performance cat-back exhaust is very convenient, and when paired with a stock catalytic converter, the sound is not overpowering. This was an outstanding performance.
  • Installation: In addition to the essential installation gear, the Yonaka 2.5′′ performance cat-back exhaust system comes with a lifetime warranty. The outcome is that there is no more work to be done in this section.
  • Affordable: Many customers have said that the Yonaka Catback exhaust system is well worth the money they spent on it. It’s simple to run, fuel-efficient, beautiful, and reasonably priced. Generally speaking, it was a pleasurable experience.
  • Best Fit: This exhaust system is specifically designed for the Honda Civic 2 Door Coupe from 2006 to 2011. It is important to note that this variant is only available for the Civic 2 liter Si.


Technical Specifications

  • Stainless steel that has been fully polished
  • 5 points “piping bent on a mandrel
  • 25 % “exhaust tip made of stainless steel
  • The hum is quiet, clear, and deep, without the annoying raspy mid-range sound.
  • All installation gear is supplied, and it’s a direct bolt-on fit to OEM.
  • Best fit for Honda Civic Si from 2006-2011 models
  • Yonaka 2.5″ Performance Catback Exhaust weighs about 25 pounds.
  • The package dimensions of this exhaust will be 48 inches in height, 11 inches in width, and 15 inches in length.


  • No cabin drone, perfect deep tone
  • A smooth weld and a squeaky clean shine
  • There were no issues with the installation.
  • Hardware for installation is supplied.


  • It does not include a 3″ inlet.

  1. Exerock 674-608 Manifold Honda Civic Si


This Exerock 674-608 Manifold has passed a thorough quality inspection to ensure that it meets all requirements. It is moisture-resistant to ensure long-term performance. The factory-installed exhaust manifold is replaced with a direct replacement, exact-fit item.

Exerock 674-608 Manifold splash for long-lasting performance; this item has undergone a thorough quality check to verify that it meets product specifications. For superior performance, a high palladium load and a high-tech washcoat are used.


  • Best Fit: This exhaust system is specifically designed for Honda Civic vehicles from 2002 to 2005. Keeping in mind that this version is only suitable for the Civic is essential for 1.7-liter Si models.
  • Fuel Economy: Because friction is decreased, the strain on the engine is lowered, resulting in a reduction in the amount of fuel used. Additionally, the exhaust reduces the engine’s backpressure.
  • Performance: This item has undergone a comprehensive quality check to guarantee that it fulfills all required standards; it contains moisture to ensure long-lasting operation.

Technical Specifications

  • Long-lasting performance due to leak resistance
  • Washcoat with a high palladium load and superior technology
  • Integrated Catalytic Converter
  • Best fit for Honda Civic SI 2002-2005 models
  • Exerock 674-608 Manifold weighs about 10.38 pounds.
  • This Exerock 674-608 Manifold Exhaust is made from high-quality smooth steel.
  • The package dimensions of this exhaust will be 17.1 inches in height, 14.5 inches in width, and 7.3 inches in length.


  • Direct substitution,
  • The exact-fit kit takes the place of the original.
  • Extensive quality control
  • It came with everything you’ll need to get started.


  • The mounting bracket for the bottom piece, just where the exhaust connection is, would not line up.

Buying Guide for Honda Civic Si

You may still be undecided about what you really desire. After all, each customer has their own set of criteria to consider. Go through the buying guide so that you do make a loss while making a purchase. Now I will tell you the secrets that will guide you to get the best exhaust for civic si.



Whether you’re on a budget or enjoying the benefit of being exempt from the shackles of middle- to lower-class morals, it’s essential to consider your situation. However, you can skip this section if your product falls under the latter category.

For many drivers, we are constrained by the limits of our financial resources, no matter how much we would want to treat ourselves to a luxurious journey. However, if you are still capable of doing so, you shouldn’t be required to make significant sacrifices.


There are many different kinds of steel materials, and you would believe that they’re all the same, but that’s not the case at all. Product failure might be caused by the exhaust substance, and it wouldn’t even be your fault if it happened. The weather may corrode your tires, and speed can pressure your exhaust, putting your life in danger. As far as performance goes, the Type R’s 306 horsepower and 295 pound-feet of torque are a step up over the Civic’s 205 horsepower.


This one may be less necessary for specific individuals, but it is essential for you. The color palette is a little limited in terms of variation. Most of the time, you’ll simply get chrome, but every now and then, you’ll have a matte black polish. However, for many drivers, this is not the most crucial factor.

The construction and style of the exhaust should be scrutinized since, when it relates to exhausts, the design is not just for cosmetic purposes; it also serves a functional purpose.


For those looking to save a few dollars, it is necessary to understand the installation your exhaust requires to be ready to use. Some complicated models may need a mechanic, which will incur additional costs.



The general rule is to know the size of the exhaust first: the larger the muffler, the quieter the vehicle will be on the highway. Many drivers purchase exhausts, mainly to get the sound they like while driving. Although car fans may already know the style of sound they want.

What is The Best Exhaust for Honda Civic Si?

The Skunk2 Racing 413-05-6025 MegaPower RR Exhaust System is the best option for the Honda Civic from 2006 to 2011. The 07 skunk2 exhaust system for the Honda Civic Si coupe from 2006 to 2011.

These systems are constructed of T-304 stainless steel, robotically TIG welded, and have CNC mandrel bends for a perfect fit. They have also been dyno-tested to ensure that they produce the highest possible horsepower.

Massive tubes and mufflers are used in the 2000 Civic Si MegaPower RR Exhaust systems to ensure maximum flow and power. This results in a significantly deeper tone when compared to the style produced by specific other MegaPower systems.

The Skunk2 Racing 413-05-6050 MegaPower RR Exhaust System is designed specifically for the Honda Civic models from 2012 to 2015. With more than 15 years of racing experience in mind, Skunk2’s 76mm MegaPower RR Exhaust system for the 2012-2015 Civic Si coupe was created with that experience in mind.

T-304 stainless steel is used in MegaPower’s RR systems. They are robotically TIG welded, and include CNC mandrel bends to ensure a perfect fit every time.

The MegaPower RR for the 2012-2015 Civic Si.When utilized also with Skunk2 Alpha Header for the 2012-2015 Civic Si. Has been shown to result in horsepower gains of up to 30 horsepower in some instances.

Does exhaust increase Horsepower?

Overall, aftermarket exhaust systems are less restrictive than exhaust systems that come standard on autos. On the other hand, installing an aftermarket exhaust system does not guarantee increased power in all settings and scenarios.

The horsepower increase from an aftermarket exhaust system can range from as much as 50 horsepower to as little as 2 or 3 horsepower, depending on the vehicle and performance exhaust system you choose. The horsepower of an aftermarket exhaust system can be increased up to 50 more horsepower than the usual or it can be reduced by 2 or 3 horsepower But this depends on the performance of the exhaust system of your chosen vehicle.

What is the loudest exhaust system?

Skunk2 is often regarded as the most audible. It’s definitely the loudest and most powerful custom exhaust system available for the 8th generation Civic. It’s essentially the same exhaust that Skunk2 was using on their Compass360 Racing Civic Si.

It enables the most efficient exhaust flow and most top-end power conceivable. Especially when using the Skunk2 Alpha racing header, it becomes noisy and unbearable at 3000rpm or higher when traveling down the interstate.

Then comes Invidia (HS12HC2GTT) N1 Cat-Back Exhaust System. It will be pretty loud when it starts up since it will break in slowly. After just a few hundred miles, it will begin to settle down and retain a pleasant, low roaring sound. You would not be dissatisfied with this purchase. If it were any louder, you wouldn’t even be able to listen to what you were saying to yourself.


Can a Civic Si be fast?

Civic Si is quite fast as a 205 horsepower car. With some modified parts it can go faster. Generally, the Civic Si’s 205 horsepower and 192 pound-feet of torque aren’t quite as quick as the Type R’s 306 horsepower and 295 pound-feet of torque. It’s swift enough to cut through traffic on the interstate and move ahead of most people at red lights.

Is the Civic Si rare?

Seeing Si Coupe will be a once-in-a-lifetime opportunity since the coupe accounts for just around 7% of total Civic sales.

Does the Honda Civic Si have Turbo?

In 2017, the Civic Si received a big update: it now included a turbocharger, as well as a beefed-up variant of the 1.5-liter engine seen in other Civic models.


Finally, an exhaust may make you appreciate or despise the care you get, so pay close attention to the exhaust’s kind, manufacturer, and distributor. Taking guidance and assistance from a reputable specialist is also recommended in this situation.I hope you already have some awesome information to get the best exhaust for civic si.

For instance Skunk2 Racing 413-05-6025 and Invidia (HS12HC2GTT) N1 are best for loudness. On the other hand, MagnaFlow 19394 is well-known for its durability and performance.

It’s crucial to remember that anything as significant as an automobile needs regular maintenance. They’re more than simply a fashion accessory to make you seem hip; they also make the experience behind the wheel a little easier and more enjoyable with the best exhaust for Civic Si.

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