2011 Audi A4 Exhaust Parts

Combining industry-leading coverage with a direct fit OE-style replacement, Walker® Quiet-Flow® muffler assemblies deliver a precision fit, superior flow and OE-style sound. Quiet-Flow muffler assemblies are available for domestic and foreign vehicles.

Product Features:

• EASY TO INSTALL — Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation and doesn’t require specialized fabrication and/or welding
• RESISTS CORROSION — Internal drainage system helps reduce moisture collection
• BUILT TO LAST — Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
• PREMIUM ACOUSTIC CONTROL — OE-style louvered tubes lower noise levels while OE-style domed heads help reduce radiated noise for premium factory-style sound quality compared to straight perforated tubes
• DESIGN VALIDATED — Acoustic and flow tested for quality OE-style sound you can count on

Designed to deliver superior flow and OE-style sound, Walker® Quiet-Flow® mufflers are available for top-selling domestic and foreign vehicles.

Product Features:

• EASY TO INSTALL — Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation and doesn’t require specialized fabrication and/or welding
• RESISTS CORROSION — Internal drainage system helps reduce moisture collection
• BUILT TO LAST — Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
• PREMIUM ACOUSTIC CONTROL — OE-style louvered tubes lower noise levels while OE-style domed heads help reduce radiated noise for premium factory-style sound quality compared to straight perforated tubes
• DESIGN VALIDATED — Acoustic and flow tested for quality OE-style sound you can count on

Combining the only broad-market stainless-steel construction with a direct fit OE-style replacement, Walker® Quiet-Flow® SS muffler assemblies deliver longer life than typical aluminized mufflers and are available for domestic and foreign vehicles.

Product Features:

• CORROSION RESISTANT STAINLESS STEEL — The only broad-market muffler with 100% stainless-steel construction that delivers longer life versus aluminized mufflers while an internal drainage system reduces moisture collection
• EASY TO INSTALL — Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation and doesn’t require specialized fabrication and/or welding
• BUILT TO LAST — Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life
• PREMIUM ACOUSTIC CONTROL — OE-style louvered tubes lower noise levels while OE-style domed heads help reduce radiated noise for premium factory-style sound quality compared to straight perforated tubes
• DESIGN VALIDATED — Acoustic and flow tested for quality OE-style sound you can count on

Complete your exhaust repair with Walker┬« gaskets and flanges. Available in a variety of styles and sizes, they’re designed to work with OE exhaust components and Walker aftermarket replacement parts.

Product Features:

• AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizesfora quality vehicle repair
• HEAT RESISTANT — Designed to resist heat for long-lasting performance
• PREMIUM MATERIALS — Made from high-quality materials for durability and long life
• ENGINEERING EXPERTISE — Parts are reviewed and validated and approved by Walker engineers through rigorous research and development
• REAL-WORLD TESTED — Parts are tested on-vehicle and validated to ensure optimal performance on the road
• EASIER TO INSTALL — Featuring slotted bolt holes (where applicable) for easy installation, gasket slips into place
• BETTER TOGETHER — Use premium Walker-½ accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade

With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:

• Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.

MAHLE gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

Product Features:

• All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
• MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
• Exhaust pipe gaskets from MAHLE Original are manufactured with the best materials to withstand high temperature applications.
• The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package

With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:

• Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.

With Victor Reinz gaskets, you can be sure you are getting sealing solutions that deliver OE quality gasket technology and engineering. That is because Victor Reinz is an original equipment supplier and the trusted choice of manufacturers the world over, offering broad coverage for foreign and domestic cars and trucks. In Victor Reinz gasket sets, you get the right combination of components needed for fast, long-lasting repairs.

Product Features:

• Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.

As you would expect, extremely high temperatures are the sealing challenge for exhaust manifold gaskets. Victor Reinz has a long heritage of supplying manifold gaskets to original equipment vehicle manufacturers. Therefore, Victor Reinz exhaust manifold gaskets meet OE specifications on a wide range of vehicles, covering the most recent high-tech engine designs and going back decades to the muscle car era.

Product Features:

• Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.

As you would expect, extremely high temperatures are the sealing challenge for exhaust manifold gaskets. Victor Reinz has a long heritage of supplying manifold gaskets to original equipment vehicle manufacturers. Therefore, Victor Reinz exhaust manifold gaskets meet OE specifications on a wide range of vehicles, covering the most recent high-tech engine designs and going back decades to the muscle car era.

Product Features:

• Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
• Meets or exceeds OE specifications

Whether you are a professional technician or a skilled do-it-yourselfer, you need easy access to Victor Reinz quality at every level of the engine all in one box and without any surprises. Protective packaging, informative labels, and state-of-the art electronic cataloging, ensure you receive precisely the gaskets and seals needed for a successful, long-lasting repair.

Product Features:

• Choosing Victor Reinz assures getting OE quality parts in gaskets sets that have the coverage, contents, packaging and electronic cataloging to best meet the needs of the aftermarket.
• Able to withstand temperatures of up to 1400 degrees F.
• Durable against wear and tear between manifolds and cylinder heads.
• Ensures an effective seal as manifold flanges warp in extreme conditions.

Exhaust Manifold Gas

Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:

• Meets or exceeds all original equipment specifications
• Application specific design to ensure a perfect fit
• Engineered for the sealing repair environment
• Unsurpassed quality you can trust
• Validated for fit, form, and function
• Contains all gaskets and seals to remove and replace exhaust manifold
• Contains all gaskets and seals to remove and replace exhaust manifold

Complete your exhaust repair with an Exhaust Mate® U-bolt clamp. Designed to ensure a tight, leak-resistant connection, Exhaust Mate hardware is manufactured from durable and robust material for long service life.

Product Features:

• CONNECTS EXHAUST PARTS — Provides secure, leak-resistant connection
• AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizes for a quality vehicle repair
• PREMIUM MATERIALS – Made from quality material for durability and long life
• BETTER TOGETHER — Use Walker® accessories when installing catalytic converters and mufflers for a complete exhaust system upgrade

Exhaust Clamp

Exhaust Clamp

Rein exhaust clamps are direct-fit OE replacements designed and manufactured to exact standards. Clamps come complete with bolts and hardware to ensure proper fit and function.

Product Features:

• Rein exhaust clamps are designed as direct-fit replacements to ensure trouble-free proper installation.
• Rein exhaust clamps come complete with bolts and hardware when necessary for installation to save installation time and additional costs.
• Replace leaking, damaged or noisy exhaust clamps with Rein premium components to restore your vehicle to safe and optimal performance levels.
• Replace worn-out exhaust clamps to prevent damage to costly catalytic converters and other exhaust components.

Rein exhaust clamps are direct-fit OE replacements designed and manufactured to exact standards. Clamps come complete with bolts and hardware to ensure proper fit and function.

Product Features:

• Rein exhaust clamps are designed as direct-fit replacements to ensure trouble-free proper installation.
• Rein exhaust clamps come complete with bolts and hardware when necessary for installation to save installation time and additional costs.
• Replace leaking, damaged or noisy exhaust clamps with Rein premium components to restore your vehicle to safe and optimal performance levels.
• Replace worn-out exhaust clamps to prevent damage to costly catalytic converters and other exhaust components.

MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51204 helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with California or Federal/EPA Emission systems.

Product Features:

• Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off.
• Compact, lightweight construction enables installation in confined areas, welding is required.
• Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.

Designed to comply with EPA standards while delivering premium performance with assured compliance, Walker® Ultra® Direct-Fit Catalytic Converters provide premium performance and are available for import and domestic OBDII (1996 and newer) vehicles.

Product Features:

• EPA COMPLIANT — For use on OBDII vehicles, 1996 and newer. Not legal for sale or use in CA, CO & NY. Legal in ME on EPA Federal Emission Equipped Vehicles only. Consult your state’s aftermarket converter regulations for details.
• DIRECT-FIT DESIGN — Direct-fit bolt-on replacement solution with OE-style hangers, brackets, routings and heat shields for easy installation that doesn’t require specialized fabrication and/or welding
• KEEPS CHECK ENGINE LIGHT OFF FOR EMISSIONS CODES — OE-style high-technology washcoat and optimal precious metal load delivers required reduction in tailpipe emissions to match vehicle application
• STRONG AND DURABLE — Features thick OE-style flanges, hangers and brackets for strength and durability
• OE-STYLE DESIGN — Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter
• BUY WITH CONFIDENCE — Backed by Walker’s 25,000-mile/40,000-kilometer emissions and 5-year 50,000-mile/80,000-kilometer structural integrity warranty. Visit Walkerexhaust.com for details.

Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 22960. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun body converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE spun body design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. Designed to fit the 1998-2005 Volkswagen Passat, 1997-2005 Audi A4 Quattro, and more, this direct-fit catalytic converter also interchanges with OE parts 8E0 131 089 DX and 4B0 254 200 X, among others. Avoid potential exhaust leaks by using the included gaskets to get a proper seal. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems.

Product Features:

• Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency.
• Simplifies installation with essential gaskets and hardware being included in the box.
• Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.

Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 24175. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun body converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE spun body design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. Designed to fit the 2002-2004 Audi A4 Quattro and 2002-2004 Audi A4, this direct-fit catalytic converter also interchanges with OE parts 8E0 254 505 BX and 8E0 254 505 CX, among others. Avoid potential exhaust leaks by using the included gaskets to get a proper seal. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems.

Product Features:

• Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency.
• Simplifies installation with essential gaskets and hardware being included in the box.
• Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.

Designed to comply with EPA standards while delivering premium performance with assured compliance, Walker® Ultra® Direct-Fit Catalytic Converters provide premium performance and are available for import and domestic OBDII (1996 and newer) vehicles.

Product Features:

• EPA COMPLIANT — For use on OBDII vehicles, 1996 and newer. Not legal for sale or use in CA, CO & NY. Legal in ME on EPA Federal Emission Equipped Vehicles only. Consult your state’s aftermarket converter regulations for details.
• DIRECT-FIT DESIGN — Direct-fit bolt-on replacement solution with OE-style hangers, brackets, routings and heat shields for easy installation that doesn’t require specialized fabrication and/or welding
• KEEPS CHECK ENGINE LIGHT OFF FOR EMISSIONS CODES — OE-style high-technology washcoat and optimal precious metal load delivers required reduction in tailpipe emissions to match vehicle application
• STRONG AND DURABLE — Features thick OE-style flanges, hangers and brackets for strength and durability
• OE-STYLE DESIGN — Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter
• BUY WITH CONFIDENCE — Backed by Walker’s 25,000-mile/40,000-kilometer emissions and 5-year 50,000-mile/80,000-kilometer structural integrity warranty. Visit Walkerexhaust.com for details.

Choosing from the comprehensive VIEROL product range means opting for outstanding quality. This is confirmed by the Q+ quality seal for parts in OEM quality MADE IN GERMANY. VIEROL AG is a leading automotive parts distributor located in Oldenburg, Germany. With the trademarks VAICO and VEMO are the service market leaders in more than 125 countries worldwide. As an internationally present automotive supplier, VIEROL AG specializes in electronic and electrical components for German and European vehicles. VIEROL AG quality brands VEMO and VAICO combine innovation and experience, technical expertise and practiced corporate values, commitment to precision and a passion for technology: the invisible, but unquestionable, optimal prerequisites for guaranteed product quality and globally recognized service. Choosing from the comprehensive VIEROL product range means opting for outstanding quality. Rubber Hanger and Bracket

Rein exhaust hangers are direct-fit OE replacements designed and manufactured to exact standards. Hangers come complete to ensure proper fit and function.

Product Features:

• Produced with high quality materials to ensure maximum life and a smooth ride.
• Manufactured to strict engineering standards/specifications in materials and tolerances.
• Replace damaged or noisy exhaust hangers with Rein premium components to restore your vehicle to safe and optimal performance levels.
• Replace worn-out exhaust hangers to prevent damage to costly catalytic converters and other exhaust components.