This Part Fits:

Fits 2015-2016 Subaru WRX and WRX STI models.

The Invidia Q300 Cat-Back Exhaust is engineered to balance high-performance exhaust flow with a refined acoustic profile. Featuring a flat-bottom muffler design and mandrel-bent piping, this system optimizes exhaust gas velocity to improve throttle response and power delivery. The twin-outlet configuration utilizes continuous piping to minimize turbulence and maintain a deep, sporty tone without the excessive cabin drone often associated with aftermarket systems.

• Manufacturer Part Number: HS15STIG3S
• Series: Q300 Cat-Back Exhaust
• Tip Style: Quad rolled stainless steel tips
• Layout: Twin outlet mufflers
• Construction: High-quality stainless steel piping
• Installation: Replaces factory cat-back assembly with provided hardware

Fits 2022-2024 Honda Civic Sport models equipped with the 2.0L naturally aspirated engine.

The Invidia Q300 cat-back exhaust system provides a performance-oriented sound profile without the intrusive cabin drone often found in high-flow systems. Engineered with 60mm mandrel-bent SUS304 stainless steel piping, this system minimizes turbulence and reduces backpressure to improve throttle response and engine efficiency. The Q300 series features a specialized flat-bottom muffler design that aids in high-speed aerodynamics while producing a deep, mature exhaust note that is well-suited for daily driving.

• Series: Q300
• Piping Diameter: 60mm
• Material: SUS304 Stainless Steel
• Tip Style: Rolled Stainless Steel
• Installation: Direct bolt-on to factory hangers
• Manufacturer Part Number: HS22HC6Q31RSL

Improve turbo response and exhaust flow on your 2002-2007 Subaru Impreza WRX or STI with the Invidia High-Flow Catted Downpipe. This performance exhaust component replaces the restrictive factory unit with a larger diameter, mandrel-bent design to reduce backpressure and allow the turbocharger to spool faster and more efficiently.

Constructed from T304 stainless steel for long-term corrosion resistance, this downpipe features a high-flow catalytic converter to balance performance with emissions compliance. A key feature for tuners is the integrated extra O2 bung, which allows for the simple installation of a wideband sensor without the need for custom fabrication or welding.

• Fits 2002-2007 Subaru Impreza WRX and STI models
• High-flow catalytic converter reduces restriction compared to OEM
• Includes an extra O2 bung for easy wideband sensor integration
• Mandrel-bent T304 stainless steel construction for maximum durability
• Designed for bolt-on installation with factory-style mounting points
• Manufacturer Part Number: HS05SW1DOC

Fits 2022-2025 Honda Civic Type R (FL5).

The Invidia Q300 cat-back exhaust system is designed to optimize exhaust scavenging and flow for the FL5 Honda Civic Type R. This Q300 series system replaces the restrictive factory exhaust with a mandrel-bent layout, utilizing a flat-bottom muffler design that provides a deep, sport-tuned sound while maintaining comfortable cabin acoustics during daily driving. The signature triple-exit layout is finished with stealthy black tips, offering a custom aesthetic that integrates seamlessly with the Type R rear diffuser.

• Manufacturer Part Number: HS22CTRFQ33SBL
• Series: Q300
• Tip Finish: Black
• System Type: Cat-back
• Fitment: 2022-2025 Honda Civic Type R (FL5)
• Design: Mandrel-bent for consistent exhaust gas velocity
• Hardware: Includes all necessary components for a direct bolt-on installation

Fits 2002-2005 Honda Civic Si (3-Door Hatchback).

Improve your EP3's exhaust flow and sound profile with the Invidia cat-back exhaust system. This high-performance upgrade replaces the restrictive factory piping with a mandrel-bent design that reduces backpressure, allowing the engine to breathe more freely. The 101mm tip provides a bold look and a deep, sporty tone that balances performance with daily drivability.

• System Type: Cat-Back Exhaust
• Tip Diameter: 101mm
• Configuration: 3-Door Hatchback (EP3) specific
• Material: High-quality mandrel-bent tubing for consistent flow
• Installation: Direct bolt-on to factory mounting locations
• Manufacturer Part Number: HS02HC3GTP

Fits 2022-2024 Subaru WRX (FA24).

The Invidia Equal Length Manifold is engineered to optimize exhaust flow and turbocharger efficiency for the FA24 platform. By balancing the distance exhaust gases travel from each cylinder to the collector, this manifold ensures pulses reach the turbo at precise intervals. This equal length geometry improves scavenging and reduces backpressure, allowing the engine to breathe more efficiently than with the restrictive factory unit.

• Equal length runner design for optimized exhaust pulse timing
• Enhances turbo spool-up and overall throttle response
• Engineered specifically for the 2.4L FA24 turbocharged engine
• Direct bolt-on replacement for the OEM manifold
• Mandrel-bent construction to maintain consistent inner diameters

Fits 2022+ Volkswagen Golf R (MK8) models.

The Invidia R400 Valved Cat-Back Exhaust is engineered to balance high-flow performance with daily-driver versatility for the MK8 Golf R. Utilizing 76mm mandrel-bent piping, this system reduces the backpressure found in the factory exhaust, allowing for improved throttle response and exhaust scavenging. The active valved design integrates with the vehicle's drive modes, providing a refined, deep tone during cruising while opening up for a more aggressive, uninhibited growl under load.

• 76mm mandrel-bent piping for optimized exhaust flow
• R400 series valved mufflers for sound level control
• Quad straight-cut black tips for a stealthy, high-performance aesthetic
• Retains factory-style valve functionality
• Direct-fit bolt-on installation for the MK8 chassis

Fits 2022-2024 Honda Civic Type R (FL5).

The Invidia R400 cat-back exhaust system is engineered to provide the FL5 Civic Type R with a deep, aggressive exhaust note without the harshness of a race-only system. This R400 series exhaust features mandrel-bent piping with a non-polished finish, prioritizing internal flow and structural durability. The system is finished with signature single-layer burnt titanium tips, offering a premium aesthetic and excellent heat resistance at the rear of the vehicle.

• R400 series performance mufflers tuned for a balance of sound and flow
• High-quality mandrel-bent non-polished piping reduces turbulence
• Single-layer titanium exhaust tips with burnt-blue finish
• Full cat-back design replaces restrictive factory piping from the catalytic converter back
• Designed for a direct-fit installation using factory mounting points
• Includes all necessary hardware for installation

Fits 2022-2024 Volkswagen Golf R (MK8).

The Invidia R400 Gemini Single Layer cat-back exhaust system is engineered to balance performance gains with a refined, aggressive acoustic profile. This system utilizes a valved design that integrates with the factory exhaust valve control, allowing you to switch between a civil street tone and a more pronounced performance growl. Constructed from mandrel-bent 76mm (3-inch) stainless steel tubing, it significantly reduces backpressure compared to the factory mid-section and mufflers, improving turbo spool and throttle response.

• 76mm mandrel-bent T304 stainless steel piping for maximum flow and corrosion resistance
• Integrated valved technology compatible with OEM drive mode selectors
• Quad rolled titanium tips with a burnt-blue finish for an upgraded aesthetic
• Precision TIG welding and heavy-duty hangers for a secure, factory-style fit
• Direct bolt-on installation using existing mounting points
• Includes all necessary hardware and gaskets for assembly

Fits 2001-2006 Acura RSX Type S (DC5).

The Invidia Q300 cat-back exhaust system provides a refined, deep exhaust note while maximizing flow for the K20 platform. Engineered with 70mm mandrel-bent piping, this system reduces backpressure and improves exhaust gas velocity compared to the restrictive factory setup. The Q300 series is specifically designed with a flat-bottom muffler to improve high-speed aerodynamics and maintain a street-friendly sound level without sacrificing performance gains.

• Piping Diameter: 70mm mandrel-bent tubing
• Tip Style: Rolled titanium tip for high heat resistance and a premium finish
• System Type: Cat-back
• Construction: High-quality stainless steel for long-term durability and corrosion resistance
• Installation: Direct bolt-on to factory mounting points with included hardware
• Manufacturer Part Number: HS01AR1G3T

Fits select 2008-2014 Subaru Impreza WRX/STI (4-Door) and 2009-2013 Subaru Forester XT.

The Invidia N1 Cat-Back Exhaust is engineered to maximize exhaust flow and reduce backpressure, delivering improved performance for turbocharged Subaru platforms. This N1 series system features a high-flow straight-through design that emphasizes the signature boxer engine tone while providing a weight reduction over the bulky factory exhaust components.

• Constructed from high-quality SUS304 stainless steel for long-term corrosion resistance and durability
• Mandrel-bent piping ensures uniform diameter and smooth exhaust gas transitions
• Twin outlet configuration with single-layer polished stainless steel tips
• Designed for a direct bolt-on installation using factory mounting points
• Manufacturer Part Number: HS11STIGTP

Vehicle Fitment

Fits 2012-2015 Honda Civic Si models equipped with the K24 engine.

The Invidia Q300 cat-back exhaust system is designed for the performance-minded enthusiast who requires a high-flow exhaust without the excessive noise of a race-spec system. Engineered to optimize exhaust velocity and reduce backpressure, the Q300 allows your K24 engine to produce more power and torque while maintaining a flat, deep, and refined tone. This system is ideal for daily driving where a balance of performance and cabin comfort is essential.

Constructed from premium stainless steel with mandrel-bent tubing, the Q300 ensures consistent diameter throughout the bends for maximum flow. The system is finished with signature rolled stainless steel tips for a classic, sophisticated appearance that complements the Civic Si's rear profile. As a direct bolt-on replacement, it utilizes factory mounting locations and includes the necessary hardware for a clean installation.

• Manufacturer Part Number: HS12HC2G3S
• Series: Q300 Cat-Back Exhaust
• Material: High-quality stainless steel construction
• Tip Style: Rolled stainless steel tips
• Design: Mandrel-bent tubing for optimized exhaust flow
• Installation: Direct bolt-on to factory mounting points

Fits 2001-2006 Acura RSX Type-S (DC5).

The Invidia N1 Cat-Back Exhaust is engineered for enthusiasts seeking to maximize exhaust flow and achieve an aggressive racing tone. Inspired by N1 endurance competition, this system features a straight-through canister design that significantly reduces backpressure compared to the restrictive factory setup, improving throttle response and top-end power. Each system is manufactured from high-quality SUS304 stainless steel with mandrel-bent tubing to ensure uniform diameter and durability under high-heat conditions. The signature burnt titanium tip provides a premium, heat-treated aesthetic that complements the DC5 chassis.

• Direct-fit for 2001-2006 Acura RSX Type-S models
• High-flow N1 series straight-through muffler design for aggressive sound
• Mandrel-bent SUS304 stainless steel piping for corrosion resistance
• Polished finish with a burnt titanium exhaust tip
• Includes all necessary gaskets and hardware for a complete installation
• Manufacturer Part Number: HS01AR1GTT

Fits 2015-2024 Lexus RC200t and RC350.

The Invidia Axle-Back Exhaust system (HS14LRCDR4OS) is engineered to enhance the acoustic profile and rear aesthetics of your Lexus RC without the complexity of a full cat-back installation. This system replaces the restrictive factory rear mufflers with high-flow units and quad rolled tips, providing a deeper, more refined exhaust note while maintaining daily drivability.

Constructed from premium stainless steel with mandrel-bent tubing, this exhaust ensures maximum flow and long-lasting durability against heat and corrosion. The CNC-machined flanges provide a precise, leak-free seal to the factory mid-pipe, making this a true bolt-on upgrade for the Lexus enthusiast.

• Direct bolt-on installation to OEM mounting points
• High-grade stainless steel construction for superior corrosion resistance
• Quad rolled tips for a modern, performance-oriented aesthetic
• Mandrel-bent tubing to minimize exhaust backpressure
• CNC-machined flanges for a secure, leak-free fitment
• Manufacturer Part Number: HS14LRCDR4OS

Fits 2012-2015 Honda Civic Si Sedan.

The Invidia N1 Cat-Back Exhaust system is engineered for the 9th generation Honda Civic Si owner looking for optimized exhaust flow and a signature racing tone. Featuring 76mm mandrel-bent piping, this system minimizes backpressure to improve throttle response and power delivery across the powerband.

Built with performance and aesthetics in mind, the N1 series is one of the most recognizable designs in the sport-compact market. This specific configuration (MPN: HS12HC4STT) features a burnt titanium tip for an aggressive, high-end look and is designed as a direct bolt-on replacement for the factory exhaust system on the Si Sedan chassis.

• Product Series: N1
• Piping Diameter: 76mm
• Tip Finish: Burnt Titanium
• Fitment Type: Vehicle Specific (Sedan only)
• Direct bolt-on installation
• Manufacturer Part Number: HS12HC4STT

Fits 2003-2006 Mitsubishi Lancer Evolution.

The Invidia Turbo Outlet, also referred to as an O2 housing, is designed to significantly reduce backpressure by replacing the restrictive factory component. By streamlining exhaust flow directly from the turbocharger, this upgrade allows for faster spool-up and improved throttle response. It is an essential modification for enthusiasts looking to optimize the efficiency of the CT9A platform's forced induction system.

• High-flow design reduces exhaust turbulence and backpressure
• Constructed from durable stainless steel for maximum heat resistance
• Precision-machined flanges ensure a secure, leak-free seal to the turbo and downpipe
• Direct bolt-on replacement for the OE housing
• Manufacturer Part Number: HS03ML8TOL

Fits 2002-2006 Acura RSX Type-S.

The Invidia Q300 cat-back exhaust system is engineered to optimize exhaust flow while maintaining a refined, mature sound profile for the 2002-2006 Acura RSX Type-S. Designed for drivers who want performance gains without the harsh drone associated with race-style exhausts, the Q300 features a specialized flat-bottom muffler that improves high-speed aerodynamics and provides a deep, mellow tone. Constructed from high-quality stainless steel with mandrel-bent tubing, this system reduces backpressure and ensures consistent diameter through every bend to maximize power delivery across the RPM range.

• Designed specifically for the DC5 chassis Type-S submodel
• Mandrel-bent stainless steel piping for increased exhaust gas velocity
• Flat-bottom muffler design for improved ground clearance and acoustics
• Precision cast flanges and durable hangers for a factory-like fit
• Direct bolt-on installation using OE mounting points
• Manufacturer Part Number: HS01AR1G3S

Fits 2000-2009 Honda S2000 Base and CR models.

The Invidia Q300 cat-back exhaust system is engineered to optimize exhaust flow and provide a refined acoustic profile for the Honda S2000 AP1 and AP2 chassis. This system replaces the restrictive factory exhaust from the catalytic converter back, featuring the signature Q300 flat-bottom muffler design which aids in high-speed aerodynamics while delivering a deep, sporty tone without excessive cabin drone.

• Brand: Invidia
• Series: Q300
• Product Type: Cat-back Exhaust System
• Configuration: Dual Tip
• Manufacturer Part Number: HS00HS1GT3

Fits 2022-2024 Honda Civic Sport models equipped with the 2.0L naturally aspirated engine.

The Invidia N1 Cat-Back Exhaust system is engineered for the enthusiast looking to improve exhaust scavenging and achieve a motorsport-inspired sound. Built with 60mm mandrel-bent piping, this system reduces the backpressure found in the restrictive factory assembly, allowing the 2.0L engine to breathe more freely. The N1 series is characterized by its high-flow canister design and signature aggressive tone.

• Series: N1 Cat-Back Exhaust
• Piping Diameter: 60mm
• Tip Finish: Burnt Titanium (TI)
• Fitment: 11th Gen Civic Sport (2.0L N/A)
• Installation: Bolts to factory exhaust hangars
• Manufacturer Part Number: HS22HC6GT1STL

Each system is constructed with precision-welded flanges and high-quality materials to ensure long-term durability and a perfect fit on the 2022+ Civic Sport chassis. The burnt titanium tips provide a premium, race-ready aesthetic that complements the updated styling of the 11th generation Honda Civic.

Fits 2008-2019 Subaru WRX and STI.

Enhance the exhaust flow and turbocharger efficiency of your Subaru with the Invidia Downpipe featuring an integrated High Flow Catalytic Converter. This performance component replaces the restrictive factory downpipe, significantly reducing backpressure to help the turbo spool faster and improve overall engine response. Engineered as a direct-fit upgrade, it balances increased exhaust volume and power potential with the inclusion of a high-flow catalytic substrate to help manage emissions.

• Integrated high-flow catalytic converter reduces restriction compared to the OEM unit
• Mandrel-bent tubing construction ensures smooth, consistent exhaust gas transitions
• Precision-machined flanges provide a secure, leak-free seal to factory mounting points
• Specifically engineered for 2008-2019 Subaru WRX and STI (EJ/FA engines)
• Manufacturer Part Number: HS08SW1DOCB

Fits 2024+ Acura Integra Type-S (DE5) models.

The Invidia R400 Cat-Back Exhaust System (HS23AISFGM3STL) is engineered to provide a significant upgrade in both exhaust tone and flow for the Acura Integra Type-S. Featuring a triple-exit layout that matches the factory styling of the DE5 chassis, this system is constructed from high-quality T304 stainless steel with mandrel-bent tubing to ensure consistent diameter and reduced backpressure throughout the system.

This R400 series exhaust is finished with single-layer titanium tips, providing the signature burnt-blue look and weight reduction over standard steel tips. Designed as a direct bolt-on replacement, it utilizes factory mounting locations and includes the necessary hardware for a straightforward installation.

• Manufactured from T304 stainless steel for corrosion resistance
• Mandrel-bent piping maximizes exhaust gas velocity and performance
• Triple-exit configuration with single-layer titanium tips
• Direct bolt-on fitment with factory hangers
• Manufacturer Part Number: HS23AISFGM3STL

Fits 2012-Up Subaru BRZ and Toyota 86.

The Invidia N2 Cat-Back Exhaust system is designed to optimize exhaust flow and provide a distinct, aggressive acoustic profile for your vehicle. Constructed with 60mm piping to reduce backpressure compared to the factory equipment, this system features a weight-efficient canister design and a single-layer tip for a clean, track-inspired appearance. The signature titanium burnt tips provide a heat-treated finish that enhances the rear aesthetic of the vehicle.

• 60mm piping diameter for improved exhaust gas velocity
• Single-layer titanium burnt tips
• Complete cat-back system replaces the factory mid-pipe and muffler
• Engineered for precise fitment using factory mounting points
• Manufacturer Part Number: HS12SST6N21GT

Fits 2004-2008 Acura TSX.

The Invidia Q300 cat-back exhaust system is engineered to provide a significant increase in exhaust flow while maintaining a refined, mature tone suitable for daily driving. Unlike louder straight-through designs, the Q300 features a flat-bottom muffler that optimizes high-speed aerodynamics and produces a deep, sporty resonance without excessive cabin drone.

Constructed from high-quality T304 stainless steel, this system utilizes mandrel-bent tubing to ensure uniform diameter and minimal restriction throughout the exhaust path. The system is finished with signature blue-burnt rolled titanium tips for a premium aesthetic and excellent heat resistance. Installation is straightforward, as the system is designed to bolt directly to factory mounting locations using the included hardware and precision CNC-machined flanges.

• Series: Q300
• Material: T304 Stainless Steel construction
• Tubing: Mandrel-bent for maximum flow and reduced backpressure
• Tips: Rolled Titanium finish
• Design: Flat-bottom muffler for aerodynamic efficiency
• Installation: Direct bolt-on to factory points
• Manufacturer Part Number: HS06TSXG3T

Fits 2002-2007 Subaru Impreza WRX and WRX STI (including Limited and TR submodels).

The Invidia N1 Series cat-back exhaust is engineered for the Subaru enthusiast seeking a balance of high-flow performance and a race-inspired aesthetic. This system utilizes 76mm mandrel-bent stainless steel piping to reduce backpressure and improve exhaust gas velocity compared to the restrictive factory setup. The "Regular" N1 canister design provides a straight-through path for maximum efficiency and the signature deep boxer rumble.

Every system is finished with a burnt titanium tip for a distinct look and includes the necessary hardware for installation on factory or aftermarket hangers.

• Series: N1 (Regular)
• Piping Diameter: 76mm
• Tip Material: Titanium
• Material: Mandrel-bent stainless steel
• MPN: HS02SW1GTT
• Installation: Bolts to factory location with included hardware/gaskets

Fits the 2008 Subaru WRX STi equipped with an Invidia N1 series exhaust system featuring a 101mm tip.

This Invidia N1 silencer is engineered to effectively reduce the sound output and cabin drone of your performance exhaust system. It is an ideal solution for daily driving or meeting local noise ordinances without sacrificing the performance benefits of a high-flow exhaust during track days. The silencer slides directly into the 101mm (approximately 4-inch) exhaust tip and is secured with a single bolt for quick installation and removal.

• Designed specifically for Invidia N1 exhaust systems with 101mm tips
• Provides significant decibel reduction for improved cabin comfort
• Polished stainless steel construction for corrosion resistance
• Removable baffle design allows for easy sound management
• Manufacturer Part Number: N1SILENCER101MM

Fits 1998-2001 Honda Accord 4-door sedan models equipped with the 4-cylinder engine, including DX, EX, LX, SE, and Value Package trims.

This Invidia catback exhaust system is designed to reduce backpressure and improve exhaust flow compared to the restrictive factory setup. By utilizing 60mm diameter piping, this system enhances engine efficiency and throttle response, providing a more pronounced exhaust note without sacrificing daily drivability. The system is finished with a 101mm tip that fits cleanly within the rear bumper cutout for a refined, sporty appearance.

• Direct-fit catback system designed for 4-door 4-cylinder chassis
• 60mm piping diameter for optimized exhaust gas velocity
• 101mm exhaust tip for an aggressive look
• Replaces restrictive factory exhaust from the catalytic converter back
• Manufacturer Part Number: HS98HA4GTP

Fits 1997-2001 Honda Prelude Base and Type SH models.

The Invidia N1 Cat-Back Exhaust system is engineered for drivers seeking a race-inspired aesthetic and optimized exhaust scavenging. By replacing the restrictive factory piping with high-flow SUS304 stainless steel, this system reduces backpressure to improve engine response. Each system features mandrel-bent tubing to maintain a consistent internal diameter, ensuring smooth exhaust gas flow from the catalytic converter to the exit.

This N1 series exhaust is finished with a signature rolled titanium (Ti) tip, providing a distinct burnt-blue look and excellent heat resistance. As a direct bolt-on upgrade, it mounts to the factory hangers and includes all necessary hardware for a straightforward installation.

• Manufactured from premium SUS304 stainless steel for long-term corrosion resistance
• Mandrel-bent piping eliminates flow restrictions at the bends
• High-flow N1-style canister produces a deep, sporty exhaust note
• Rolled titanium tip with a burnt-blue finish for an aggressive look
• Direct bolt-on fitment for 1997-2001 Prelude chassis
• Manufacturer Part Number: HS97HP1GTP

Fits 1997-2001 Honda Prelude Base and Type SH.

The Invidia Q300 cat-back exhaust system is engineered to optimize exhaust flow and provide a refined acoustic profile for the 1997-2001 Honda Prelude. As part of the Q300 series, this system features a specialized flat-bottom muffler design that improves high-speed aerodynamics while producing a deep, sporty tone that remains comfortable for daily street use. Constructed from high-quality stainless steel, this exhaust replaces the restrictive factory piping with a mandrel-bent design to maintain a consistent diameter and maximize exhaust gas velocity.

• High-quality stainless steel construction for superior durability and corrosion resistance
• Continuous mandrel-bent piping ensures uniform diameter and optimal flow
• Distinct rolled titanium tips with a heat-treated blue finish
• Cast flanges for precise fitment and a secure, leak-free seal
• Mounts directly to factory exhaust hangers for a straightforward installation
• Manufacturer Part Number: HS97HP1G3T

Fits 1996-2000 Honda Civic CX and DX 3-door hatchback models.

The Invidia J-Spec cat-back exhaust system is engineered to optimize exhaust flow and provide a deep, aggressive tone for the 1996-2000 Honda Civic. This system features 60mm mandrel-bent piping to reduce backpressure, allowing for more efficient engine breathing compared to the restrictive factory setup. The J-Spec series is finished with a signature 101mm tip that provides a classic JDM aesthetic while maintaining high clearance.

• Main Piping Diameter: 60mm
• Exhaust Tip Diameter: 101mm
• System Type: Cat-back
• Chassis Fitment: 3-Door Hatchback (EK4/EJ)
• Direct-fit installation using factory-style hangers
• Manufacturer Part Number: HS96HC3GTP