1991 Audi 90 Exhaust Parts

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.

Complete your exhaust repair with Walker® exhaust hangers. Designed with OE-style features to support undercar exhaust components, Walker hangers are manufactured from durable and robust material for long service life.

Product Features:

• KEEPS EXHAUST PARTS IN PLACE — Designed to support undercar exhaust components
• OE DESIGN — Designed with OE-style features for easy installation
• AVAILABLE IN DIFFERENT SIZES — Offered in a variety of styles and sizes for a quality vehicle repair
• PREMIUM MATERIALS — Made from quality steel for durability and long life
• BETTER TOGETHER — Use premium Walker accessories when installing Walker catalytic converters and mufflers for a complete exhaust system upgrade

BRExhaust Replacement Exhaust SpringBRExhaust replace exhaust springs are built to OE specifications and are designed for precise fitment in order to ensure a leak-free connection. These corrosion-resistant springs could be just the parts you need to complete your exhaust installation.

Product Features:

• Exhaust accessory that enables a complete installation process.
• Precise fitment
• Manufactured from quality materials to ensure maximum durability
• Direct-fit OE replacement exhaust spring
• Engineered to provide excellent exhaust _x000d_system management
• Corrosion resistant
• Built to OEM specifications

Exhaust Hanger

BRExhaust insulator mounts are high-quality replacements for original equipment hangers¿designed to fit right the first time. They’re conveniently available for a variety of car, truck, and van applications. BRExhaust exhaust insulator mounts are manufactured from premium rubber and steel to help keep your components in the right position, resulting in a longer lifespan for your exhaust system.

Product Features:

• Designed to facilitate hassle-free exhaust repair
• Precise fitment
• Manufactured from quality materials to ensure maximum durability

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

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

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.

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

Exhaust Manifold Gasket

Exhaust Stud

Designed to provide the required reduction in tailpipe emissions and meet EPA emissions requirements with assured compliance, Walker® Universal Catalytic Converters are available for pre-OBDII (1995 and older) vehicles.

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/or 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 5-year 50,000-mile/80,000-kilometer structural integrity warranty. Visit Walkerexhaust.com for details.

MagnaFlow Standard Grade Federal/EPA Compliant Universal Catalytic Converter 53005 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 pre-OBDII Federally registered vehicles.

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.

Keep the check engine light off with MagnaFlow Standard Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 22928. 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 to fit the 1988-1990 Audi 80 and 1988 Audi 90. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for pre-OBDII Federally registered vehicles.

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.

MagnaFlow Standard Grade Federal/EPA Compliant Universal Catalytic Converter 53134 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 pre-OBDII Federally registered vehicles.

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, 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:

• CARB COMPLIANT — For use on OBDII vehicles, 1996 and newer and non-OBD 1995 and older. Legal for sale in CA, CO, NY & other states requiring CARB-compliant replacement converters. Consult your state’s aftermarket converter regulations.
• 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

Product Features:

• Product might not be available in all states due to local laws.

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:

• CARB COMPLIANT — For use on OBDII vehicles, 1996 and newer and non-OBD 1995 and older. Legal for sale in CA, CO, NY & other states requiring CARB-compliant replacement converters. Consult your state’s aftermarket converter regulations.
• 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 50,000-mile/80,000-kilometer emissions and structural integrity warranty

Product Features:

• Product might not be available in all states due to local laws.

Keep the check engine light off with MagnaFlow Standard Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 22918. 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 to fit the 1983-1991 Volkswagen Vanagon, 1975-1979 Volkswagen Beetle, and additional vehicles. Hardware is included to eliminate the hassle of working with corroded factory parts. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for pre-OBDII Federally registered vehicles.

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.

Walker®, an industry leader for many popular European, Asian and North American vehicles, 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® Universal Catalytic Converters feature OE-style hangers, brackets, routings and heat shields allowing quick and easy installation of direct-fit units. OE expertise delivers application-engineered parts, providing the best fit and performance for even the most challenging emissions issues, while premium substrate material and a high-technology wash coat ensure exceptional oxygen storage capacity. 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
• 5-year/50,000-mile catalytic performance and structural integrity warranty

Designed to provide the required reduction in tailpipe emissions and meet EPA emissions requirements with assured compliance, Walker® Universal Catalytic Converters are available for pre-OBDII (1995 and older) vehicles.

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/or 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 5-year 50,000-mile/80,000-kilometer structural integrity warranty. Visit Walkerexhaust.com for details.