Audi S4 Exhaust Parts

Product Features:

• Show Quality Chrome Platinum
• Durable Black Finish
• Can Be Welded Or Clamped
• Complete The System
• Glass-Packed Resonators

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

Fel-Pro gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.

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

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 Deg. F.
• Durable against wear and tear between manifolds and cylinder heads.
• Ensures an effective seal as manifold flanges warp in extreme conditions.

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

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.

The MagnaFlow 2010-2016 Audi S4 Touring Series Cat-Back Performance Exhaust System is the perfect partner for your 3.0L 2010-2016 Audi S4 to take on a grand tour or a weekend cruise thanks to the powerful, resonant exhaust note and dyno-proven performance it brings to the table. This durable, corrosion resistant stainless steel exhaust kit is engineered to conquer the miles with ease while enhancing your driving experience with Moderate exterior and Mild interior sound levels generated through its fast-flowing, mandrel bent 2.25in. main piping and 3 Straight-Through muffler that terminate in a Quad Split Rear exit with 3.5in. Polished Welded-On Double Wall Angle Cut Folded Edge tips. 15599 features a cat-back layout design to replace your import’s stock exhaust components from the catalytic converter on back. This Audi S4 exhaust system is compatible with 2010-2016 engines. The use of extensive 3D scans made during the development process has resulted in an easy-to-install, direct-fit design that fits your Audi S4 like a glove. 15599 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow’s limited construction warranty.

Product Features:

• 409 Stainless Steel Construction
• Increased Horsepower and Torque
• Mandrel bent tubing

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.

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.

Product Features:

• EPA COMPLIANT – For use on pre-OBDII vehicles, 1995 and older. Not legal for sale or use in CA, CO and NY. Legal in ME on all pre-OBD vehicles only. Consult your state’s aftermarket converter regulations for details.
• NO BREAK IN REQUIRED – Ready to operate with application-specific converter shell design and mat compression, no converter break in required after installation
• DURABLE – Features stainless-steel body with aluminized pipe and heat shields for durability
• FLEXIBLE SOLUTION – Customizable design features expandable bushings for easy fitment and may require specialized fabrication and welding for installation
• 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 50,000-mile/80,000-kilometer structural integrity limited warranty. Visit Walkerexhaust.com for details.

Designed, tested and validated for assured compliance to meet CARB standards, Walker® CalCat® Universal Catalytic Converters are available for OBDII (1996 and newer) and non-OBD (1995 and older) vehicles.

Product Features:

• SUPERIOR TECHNOLOGY — Optimal high technology washcoat formulated to deliver superior performance (as compared to EPA-compliant converters)
• CONSISTENT PERFORMANCE — Utilizes a precise OE-style coating process to apply catalyst material to the substrate, providing consistent performance for assured emissions compliance
• DURABLE — Features stainless-steel body with aluminized pipe and heat shields for durability
• FLEXIBLE SOLUTION — Customizable design features expandable bushings for easy fitment and may require specialized fabrication and/or welding for installation
• BUY WITH CONFIDENCE — Backed by Walker’s emissions and structural integrity warranty. Visit Walkerexhaust.com for details.

MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 444206 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 California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.

Product Features:

• Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
• Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off
• High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
• Compact, lightweight construction enables installation in confined areas, welding is required
• Durable 308 stainless steel MIG welds

MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51235 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:

• Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
• Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off
• High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
• Compact, lightweight construction enables installation in confined areas, welding is required
• Durable 308 stainless steel MIG welds

MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 441334 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 California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.

Product Features:

• Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
• Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off
• High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
• Compact, lightweight construction enables installation in confined areas, welding is required
• Durable 308 stainless steel MIG welds

MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51205 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:

• Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
• Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off
• High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
• Compact, lightweight construction enables installation in confined areas, welding is required
• Durable 308 stainless steel MIG welds

MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 444005 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 California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.

Product Features:

• Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
• Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off
• High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
• Compact, lightweight construction enables installation in confined areas, welding is required
• Durable 308 stainless steel MIG welds

Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49136. 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 2009-2017 Audi Q5, 2012-2015 Audi A6 Quattro, and more, this direct-fit catalytic converter also interchanges with OE parts 8K0 254 250 KX and 8K0 254 253 AX, among others. The included gaskets and hardware reduce the possibility of a leaking seal while avoiding the need to reuse corroded factory parts for installation. 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:

• Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
• Mandrel bent tubing retains OEM-like design and geometry, ensuring smooth exhaust flow for peak fuel economy and engine operation
• High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
• 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
• Durable 308 stainless steel MIG welds

Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49916. 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. This direct-fit catalytic converter is designed specifically for the 2000-2002 Audi S4 and interchanges with OE part 8E0 253 058 BX. 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 California or Federal/EPA Emission systems.

Product Features:

• Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
• Mandrel bent tubing retains OEM-like design and geometry, ensuring smooth exhaust flow for peak fuel economy and engine operation
• High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
• 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
• Durable 308 stainless steel MIG welds

MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 441005 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 California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.

Product Features:

• Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
• Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off
• High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
• Compact, lightweight construction enables installation in confined areas, welding is required
• Durable 308 stainless steel MIG welds

MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99305HM 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 Federal/EPA Emission systems.

Product Features:

• Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
• Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off
• High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
• Compact, lightweight construction enables installation in confined areas, welding is required
• Durable 308 stainless steel MIG welds

Walker an industry leader for import And domestic applications, offers Walker CalCat Universal Catalytic Converters, available for OBDII (1996 And newer) vehicles And Pre-OBD (1995 And older) vehicles, specifically formulated to comply with California Air Resource Board (CARB) regulations. Walker CalCat Catalytic Converters are legal for sale in the state of California, And any state complying with California regulations.

Product Features:

• Legal for sale in the state of California, complies with C.A.R.B. regulations
• Stainless steel body with aluminized pipe and heat shields for durability
• Expandable bushings for custom installation requirements
• Universal converter may require modification to complete installation

Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49915. 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. This direct-fit catalytic converter is designed specifically for the 2000-2002 Audi S4 and interchanges with OE part 8E0 253 057 HX. 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 California or Federal/EPA Emission systems.

Product Features:

• Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
• Mandrel bent tubing retains OEM-like design and geometry, ensuring smooth exhaust flow for peak fuel economy and engine operation
• High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
• 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
• Durable 308 stainless steel MIG welds

MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 444134 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 California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.

Product Features:

• Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
• Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off
• High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
• Compact, lightweight construction enables installation in confined areas, welding is required
• Durable 308 stainless steel MIG welds

Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49918. 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. This direct-fit catalytic converter is designed specifically for the 2004-2009 Audi S4 and interchanges with OE parts 8E0 254 554 QX and 8E0 254 551 QX. 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:

• Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
• Mandrel bent tubing retains OEM-like design and geometry, ensuring smooth exhaust flow for peak fuel economy and engine operation
• High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
• 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
• Durable 308 stainless steel MIG welds

Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 3322304. The Universal design allows the part to fit a wide array of vehicles (cutting and welding required), and the stainless steel construction of this spun body catalytic converter is highly resistant to corrosion. The single laser fusion weld of the spun body greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.

Product Features:

• Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
• Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off
• High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
• Compact, lightweight construction enables installation in confined areas, welding is required
• Durable 308 stainless steel MIG welds