1991 BMW M3 Exhaust Parts

Exhaust Flange Nut

Product Features:

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

Exhaust Clamp

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.

Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 50415. 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 2001-2006 BMW M3 and 2001-2002 BMW Z3, this direct-fit catalytic converter also interchanges with OE parts 11 62 7 834 673 and 11 62 7 832 063. 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 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 California Grade CARB Compliant Universal Catalytic Converter 418004 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:

• 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 CARB-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
• BUY WITH CONFIDENCE — Backed by Walker’s 50,000-mile/80,000-kilometer emissions and structural integrity warranty

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

Exhaust Nut

Muffler Hanger

Exhaust Hanger

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

EXHAUST NUT

Exhaust Nut

Exhaust Nut