Audi A4 Exhaust Systems
- Borla® - Exhaust SystemExhaust System by Borla®. This unique system allows you to adjust your level of sound and power, from quiet and restrictive to louder and free flowing. It features a patented Borla straight-through muffler and mandrel bent pipes...$509.99 - $5,976.99Availability Varies - Depends on Product Options
- aFe® - Mach Force XP™ Exhaust SystemsMach Force XP™ Exhaust Systems by aFe®. Get increased exhaust flow, more horsepower and torque, improved performance and lower exhaust gas temperatures with the aFe Mach Force XP Exhaust System. aFe dyno tests every system for maximum...$149.00 - $4,123.00Availability Varies - Depends on Product Options
- TruParts® - Exhaust MufflerExhaust Muffler by TruParts®. Go with this high-quality product to restore your vehicle’s lost power and bring it back to its optimal condition. Made from the finest materials in compliance with rigorous industry standards, it is...Made utilizing the finest materials and equipmentEngineered to restore your vehicle to its pristine condition$18.78 - $256.67Availability Varies - Depends on Product Options
- Borla® - S-Type™ Exhaust SystemsS-Type™ Exhaust Systems by Borla®. When you want the best performing, best sounding, and highest quality exhaust system, you want Borla Exhaust. Borla straight-through mufflers and mandrel-bent exhaust tubes are custom tuned to...$509.99 - $5,976.99Availability Varies - Depends on Product Options
- MagnaFlow® - Direct Fit Catalytic ConverterDirect Fit Catalytic Converter by MagnaFlow®. If your cat needs replacement, install one that will get you through the smog check. The Direct Fit Catalytic Converter is available in Pre-OBD II, OBD II, and OEM Grade OBD II configurations.$143.00 - $5,871.00Availability Varies - Depends on Product Options
- Walker® - Exhaust Resonator and Pipe AssemblyExhaust Resonator and Pipe Assembly by Walker®. If you want exhaust piping that delivers precise OE-style fit, appearance, and reliability, this part is your number one choice. Every pipe is vehicle-specific and is manufactured using...Designed to directly replace the factory partMade with precision benders and fixture checked$28.77 - $327.43Availability Varies - Depends on Product Options
- AP Exhaust® - Catalytic Converter and Pipe AssemblyCatalytic Converter and Pipe Assembly by AP Exhaust®. Today’s exhaust performance market continues to cover a broad spectrum of vehicles. The unique nature of this market is that a product demand is not based on vehicle age or use but...5-year/50,000-mile warranty on converter body25,000-mile warranty on emissions$128.29 - $1,431.22Availability Varies - Depends on Product Options
- CATCO® - Catalytic Converter and Pipe AssemblyCatalytic Converter and Pipe Assembly by CATCO®. Designed and manufactured with innovative fabrication methods, high-tech materials, and advanced coating, this converter leapfrogs the competition. It delivers unparalleled performance...Packed with the latest technological advancementsWill surpass your expectations for performance$176.90 - $1,494.35Availability Varies - Depends on Product Options
- BRExhaust® - Exhaust Resonator and Pipe AssemblyExhaust Resonator and Pipe Assembly by BRExhaust®. This product is constructed by one of the leading OE suppliers to provide OE-style performance and maintain a factory-like sound. The direct-fit configuration allows for easy, bolt-on...Aluminized steel construction for maximum durabilityOne Piece interior to end cap construction to reduce flex and stand up to vehicle vibration$74.51 - $390.17Availability Varies - Depends on Product Options
- J2 Engineering® - Exhaust SystemsExhaust Systems by J2 Engineering®. Maximize your horsepower output and torque with J2 Engineering. Designed to ensure an efficient path for exhaust gases to escape, this product will give you an increase in performance and power you...$60.00 - $560.00Availability Varies - Depends on Product Options
- Ansa® - Exhaust HangerExhaust Hanger by Ansa®. If you're in need of a durable and efficient replacement exhaust part, rely on this OE-quality product from Ansa that provides both perfect fit and superior functionality for years to come. It is manufactured...Completely compatible with your OE-unitFactory design to ensure a perfect fit$1.18 - $12.45Availability Varies - Depends on Product Options
- Davico® - Direct Fit Catalytic ConverterDirect Fit Catalytic Converter by Davico®. This direct-fit catalytic converter by Davico will be a great solution to replace your failed or damaged catalytic converter. Once your stock cat fails to perform its job, replacement is the...Helps your vehicle emit harmless gasesDirect OEM replacement$44.17 - $2,559.41Availability Varies - Depends on Product Options
- AWE Tuning® - Touring Edition™ Exhaust SystemsTouring Edition™ Exhaust Systems by AWE Tuning®. A grin-worthy soundtrack coupled with signature AWE Tuning performance and quality honed over decades of supercar engineering. Let's get ready to motor. Harder.$795.00 - $3,495.00Availability Varies - Depends on Product Options
- AP Exhaust® - Muffler Welded AssemblyMuffler Welded Assembly by AP Exhaust®. Today’s exhaust performance market continues to cover a broad spectrum of vehicles. The unique nature of this market is that a product demand is not based on vehicle age or use but instead on an...Aluminized components for longer lifeOriginal equipment appearance and performance$55.17 - $367.55Availability Varies - Depends on Product Options
- AWE Tuning® - Track Edition™ Exhaust SystemsTrack Edition™ Exhaust Systems by AWE Tuning®. Sophisticated sound and impressive performance. Featuring a straight-through design, the Track Edition Exhaust revamps the attitude entirely, providing a more pronounced, aggressive tone...$495.00 - $2,895.00Availability Varies - Depends on Product Options
- MagnaFlow® - Touring Series Exhaust SystemsTouring Series Exhaust Systems by MagnaFlow®. The Touring Series exhaust systems are tuned for everyday driving, with a deep and mellow exhaust note of true performance character but at a decibel level and tone that does not get tiring...Moderate SoundDelivers More Horsepower$674.00 - $2,312.00Availability Varies - Depends on Product Options
- Walker® - Quiet-Flow Muffler AssemblyQuiet-Flow Muffler Assembly by Walker®. Together with delivering OE-style sound, the Quiet-Flow Muffler features 100% structural stainless steel construction that resists rust three times longer than aluminized mufflers offered by...Designed for OE equivalent sound and precision fitSpun-locked heads for a proper resistance to backfire$50.66 - $774.71Availability Varies - Depends on Product Options
- Torxe™ - Exhaust SystemsExhaust Systems by Torxe™. Increase your exhaust flow and get a bump up in horsepower, torque, and efficiency by installing a performance exhaust system – all while enjoying one of the best values on the market today. Larger diameter...$160.00 - $474.00Availability Varies - Depends on Product Options
- Walker® - Quiet-Flow™ MufflerQuiet-Flow™ Muffler by Walker®. Together with delivering OE-style sound, the Quiet-Flow Muffler features steel construction that resists rust. This part is a perfect decision if you are looking for proper OE-quality acoustics and long...Designed for OE equivalent sound and precision fitSpun-locked heads for a proper resistance to backfire$39.35 - $685.94Availability Varies - Depends on Product Options
- MagnaFlow® - OEM Grade Direct Fit Catalytic ConverterOEM Grade Direct Fit Catalytic Converter by MagnaFlow®. If your car needs replacement, install one that will get you through the smog check. This converter is part of the exhaust header/manifold assembly, and it will directly replace...$214.00 - $2,612.00Availability Varies - Depends on Product Options
- MagnaFlow® - Universal Fit Catalytic ConverterUniversal Fit Catalytic Converter by MagnaFlow®. If your car needs replacement, install one that will get you through the smog check. This universal fit converter will require some fabrication to be installed, which will involve cutting...$83.00 - $1,906.00Availability Varies - Depends on Product Options
- Walker® - CalCat™ Direct Fit Catalytic ConverterCalCat™ Direct Fit Catalytic Converter by Walker®. Walker offers complete coverage: direct-fit mufflers, converters, pipes, resonators and accessories. Walker is an OE supplier to many major nameplate vehicle manufacturers. Trust...Constructed to meet your vehicle’s specific emissions requirementsBody and pipe heat shields made of high quality materials for durability$209.88 - $2,504.33Availability Varies - Depends on Product Options
- AP Exhaust® - Replacement Exhaust KitReplacement Exhaust Kit by AP Exhaust®. Today’s exhaust performance market continues to cover a broad spectrum of vehicles. The unique nature of this market is that a product demand is not based on vehicle age or use but instead on an...Superior replacement for your worn out exhaust partHelps put your vehicle back to its tip-top shape$7.89 - $3,039.33Availability Varies - Depends on Product Options
- TruParts® - Exhaust Pipe Flange GasketExhaust Pipe Flange Gasket by TruParts®. Go with this high-quality product to restore your vehicle’s lost power and bring it back to its optimal condition. Made from the finest materials in compliance with rigorous industry...Made utilizing the finest materials and equipmentEngineered to restore your vehicle to its pristine condition$0.44 - $216.18Availability Varies - Depends on Product Options
- Torxe™ - Direct Fit Catalytic ConverterDirect Fit Catalytic Converter by Torxe™. Direct Fit Catalytic converter by Torxe. Replace your clogged, corroded, and malfunctioning catalytic converter for the best possible price with a factory-style unit from Torxe. Fitment is...Replace an old clogged, corroded, and malfunctioning unit and clear your check engine light for goodVehicle-specific fitment is designed around the exact dimensions of your make and model for proper fit and easy installation$133.57 - $572.00Availability Varies - Depends on Product Options
- Walker® - Replacement Exhaust KitReplacement Exhaust Kit by Walker®. If you are looking for the ultimate in quality and value, then this superior replacement exhaust kit by Walker is what you need. All its components are designed with precision craftsmanship in...Mufflers and Resonators Designed for OE equivalent sound and precision fitOE-style louvered tube technology for a premium, factory-like sound$17.14 - $2,746.80Availability Varies - Depends on Product Options
- AERO Exhaust® - AR Series Performance Exhaust ResonatorsAR Series Performance Exhaust Resonators by AERO Exhaust®. AERO AR Series resonators are built to perform under any condition. The AERO AR Series resonators are proven to reduce rasp and drone while withstanding up to 1800 degrees...$54.25 - $157.19In Stock - Ships within 24 hrs
- AP Exhaust® - Direct Fit Catalytic ConverterDirect Fit Catalytic Converter by AP Exhaust®. Today’s exhaust performance market continues to cover a broad spectrum of vehicles. The unique nature of this market is that a product demand is not based on vehicle age or use but...5-year/50,000-mile warranty on converter body25,000-mile warranty on emissions$125.04 - $3,039.33Availability Varies - Depends on Product Options
- Walker® - Ultra Direct Fit Catalytic ConvertersUltra Direct Fit Catalytic Converters by Walker®. Walker offers complete coverage: direct-fit mufflers, converters, pipes, resonators and accessories. Walker is an OE supplier to many major nameplate vehicle manufacturers. Trust Walker,...Constructed to meet your vehicle’s specific emissions requirementsBody and pipe heat shields made of high quality materials for durability$52.93 - $1,932.38Availability Varies - Depends on Product Options
- TruParts® - Exhaust System HangerExhaust System Hanger by TruParts®. Go with this high-quality product to restore your vehicle’s lost power and bring it back to its optimal condition. Made from the finest materials in compliance with rigorous industry standards,...Made utilizing the finest materials and equipmentEngineered to restore your vehicle to its pristine condition$0.46 - $357.95Availability Varies - Depends on Product Options
Shop By Service Type
There are four reasons why you have to pay special attention to your exhaust system. The first one is reduction of your vehicle's performance. The combustion gases won't leave the engine quickly and will prevent the effective operation of your engine. The second reason is that the gas mileage will be reduced too. The next thing is that you put yourself and your passengers in a danger of breathing the poisonous air if your exhaust doesn't operate in a proper way. Finally, if your catalytic converter doesn't function in a proper way, the pollution caused to the environment by your A4 will be increased.
Every driver has to check their exhaust system from time to time in order to be sure that all of its components are in perfect condition. Whether you need a new manifold or a catalytic converter, don't hurry away and browse through our inventory of Audi exhaust parts. Our team gathered the finest items under one roof to provide you with every single option available for your road warrior. In conclusion, never forget that all the units are engineered for a particular engine, and their length, diameter, and so on can vary. We made our best to handpick the products made especially for your four-wheel friend.