Audi S4 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...$455.99 - $5,334.99
- 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$136.68 - $1,485.34
- 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...$455.99 - $5,334.99
- 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 - $5,871.00
- 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$117.42 - $1,552.56
- Davico®Catalytic Converter and Pipe AssemblyCatalytic Converter and Pipe Assembly 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...Helps your vehicle emit harmless gasesDirect OEM replacement$64.26 - $4,001.73
- 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$47.28 - $3,735.21
- 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.$845.00 - $3,545.00
- 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 - $1,906.00
- 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 - $2,612.00
- Walker®Universal Fit Catalytic ConverterUniversal 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 Walker, an...EPA & CARB Emissions Products Available for Most VehiclesEmission, Structural Warranty: 5 Years / 50,000 Miles (80,000 Kilometers)$139.79 - $2,722.16
- 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$0.37 - $42.02
- MBRP®Pro Series Exhaust SystemsPro Series Exhaust Systems by MBRP®. The PRO series exhausts from MBRP is for the no-compromise enthusiast who insists on nothing but the best. For you, that means a system constructed entirely of long-lasting T304 stainless steel. The...$319.99 - $1,999.99
- AP Exhaust®Catalytic ConverterCatalytic 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 instead on an...Provides professional installer with immediate installation optionsSpecifically engineered for OBDII equipped vehicles$80.78 - $1,065.65
- TruParts®Exhaust Muffler AssemblyExhaust Muffler Assembly 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$2.74 - $1,581.15
- 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 - $3,095.00
- 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$0.32 - $54.19
- CATCO®Universal Fit Catalytic ConvertersUniversal Fit Catalytic Converters by CATCO®. Designed and manufactured with innovative fabrication methods, high-tech materials, and advanced coating, this converter leapfrogs the competition. It delivers unparalleled performance and...Packed with the latest technological advancementsWill surpass your expectations for performance$59.23 - $837.61
- Eastern Catalytic®ECO III Direct Fit Converter and Pipe AssemblyECO III Direct Fit Converter and Pipe Assembly by Eastern Catalytic®. If you need to replace your failed or damaged catalytic converter, this product is the right choice. Designed specifically for your vehicle, this catalytic converter...Direct OEM replacementConverts harmful engine emissions to less dangerous gases and water vapor$172.73 - $1,198.22
- Walker®Ultra™ Catalytic ConvertersUltra™ 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, an...Constructed to meet your vehicle’s specific emissions requirementsFeatures stainless steel body with aluminized steel pipe and heat shields$62.19 - $535.99
- 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$659.00 - $2,312.00
- Davico®Universal Fit Catalytic ConverterUniversal Fit Catalytic Converter by Davico®. This Universal 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...Helps your vehicle emit harmless gasesDirect OEM replacement$122.58 - $1,656.71
- AWE Tuning®SwitchPath™ Exhaust RemoteSwitchPath™ Exhaust Remote by AWE Tuning®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your needs and deliver great...Works with stock valved exhaust systemOpen and close exhaust valves with the push of a button from inside the cabin, at any time$345.00 - $445.00
- AWE Tuning®SwitchPath™ Exhaust SystemsSwitchPath™ Exhaust Systems by AWE Tuning®. The SwitchPath™ Exhaust sets a new standard. Beyond the hand crafted detail that is standard for every AWE Tuning Performance Exhaust, this one packs a little something special. In other...$1,345.00 - $8,695.00
- DEC®Catalytic ConverterCatalytic Converter by DEC®. Pick out a catalytic converter by DEC and get your emissions back into check without worrying about feature again. These catalytic converters are made from a heavy duty stainless steel outer shell which is...Direct fitMade from a heavy duty stainless steel outer shell$214.59 - $1,821.63
- DEC®Catalytic Converter and Pipe AssemblyCatalytic Converter and Pipe Assembly by DEC®. Pick out a catalytic converter by DEC and get your emissions back into check without worrying about feature again. These catalytic converters are made from a heavy duty stainless steel...Direct fitMade from a heavy duty stainless steel outer shell$233.09 - $3,549.35
- 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$1.11 - $13.61
- Banks®TorqueTube™ Exhaust Manifold SystemTorqueTube™ Exhaust Manifold System by Banks®. Cast OEM exhaust manifolds just are too restrictive. Replacing them with Banks Torque Tubes will substantially reduce the backpressure where it counts, right at the exhaust ports. Instead...Shorty style fits in stock engine bayImproves power, reduces fuel consumption$569.00 - $1,359.00
- Rein®Exhaust HangerExhaust Hanger by Rein®. Keep your vehicle running safely and efficiently by replacing your worn or damaged factory exhaust part with Rein – the number one products in performance, value, and price. They are built to the latest OE...OE fit, form, and functionDesigned to fit the first time, without modifications$7.67 - $15.94
- Genuine®Muffler HangerMuffler Hanger by Genuine®. If your exhaust parts are in need of repair, don’t compromise the performance and safety of your car with suspect, off-brand replacement parts from the local auto parts chain store. On our website...Designed to restore your vehicle’s exhaust systemGenuine OE replacement parts from the OE manufacturer$11.53 - $49.52
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The Audi S4 provides its owners with luxury and performance that live together in one package. This vehicle is all about excellent fuel economy, attractive interior, and sharp handling. You can enjoy all of these advantages as long as your S4 is in its pristine condition. It is a well-known fact that if you want to keep your four-wheel friend operating profitably, you have to care about every single mechanism of this brawny automobile. The exhaust system is no exception.
There are several problems you can meet in case of a faulty exhaust system. If you notice the black smoke coming from your Audi muffler, it indicates a problem with fuel distribution. Besides, it may sign that this part should be replaced to return smooth and silent driving. The next thing you can experience is a noise like a box of rocks being shaken while you are at the wheel. It may be a symptom of a languished catalytic converter. There are much more signals your S4 can give. All you need to do is to listen to your loyal friend and replace all of its worn out and damaged parts in time.