2003 BMW M3 Exhaust Parts

Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 452415. 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 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 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 CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.

Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 5411031. 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 2008-2013 BMW M3 and interchanges with OE parts 18 30 7 848 117 and 18 30 7 840 684. Hardware is included to eliminate the hassle of working with corroded factory parts. 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 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 CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.

Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49800. 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 2008-2013 BMW M3 and interchanges with OE parts 18 30 7 848 117 and 18 30 7 840 684. 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 OBDII Federally registered vehicles with California or 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.

Exhaust Seal Ring

BRExhaust replacement exhaust brackets make repairs easy. Each gasket has been engineered to according to OE standards to ensure a gas-tight connection and precise fitment. Utilizing the OE specifications also makes installation easy.

Product Features:

• Designed to facilitate hassle-free exhaust repair
• Precise fitment
• Manufactured from quality materials to ensure maximum durability
• Designed for a leak free connection
• OE structure and design
• Built to OEM specifications
• Secure gas-tight connection

Cat. Converter Gaske

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 Manifold Gas

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

Product Features:

• Exhaust accessory that enables a complete installation process
• Precise fitment
• Precise fitment
• Manufactured according to strict OE standards
• Reduced Vibration

Exhaust Hanger

Muffler Hanger

aFe POWER MACH Force-Xp series exhaust system is designed to get you there with speed and style. Constructed from mandrel-bent, 304 stainless steel, this exhaust system offers greater flow to deliver more torque and horsepower than the factory exhaust. This system utilizes a less-restricting, high-flow muffler to improves performance while maintaining a deep, smooth tone. 100% hand MIG-welded by certified craftsmen for proven quality and durability.

Product Features:

• Delivering power, sound, and style
• Utilizes High-Flow Stainless Steel Muffler
• Mandrel-Bent Tubing for Improved Flow
• OE-style flanges and Stainless Clamps for Improved Sealing Surface

Aggressive Sound: A free-flowing, transverse muffler is used to absorb high pitch tones producing a powerful sound and unleashing all available horsepower and torque. The muffler is finished with a high-temp powder-coated metallic black finish and a stamped aFe power logo. Exhaust Valve: This axle-back exhaust system incorporates a factory style exhaust valve which uses the factory exhaust valve motor (not included). The valve helps regulate, direct and control the flow of exhaust gases by opening, closing, or partially obstructing passageways depending on throttle position for maximum performance. Simple Installation: This MACH Force-Xp axle-back exhaust system uses factory mounting locations providing stability and a hassle-free installation. Quad 3-1/2″ Stainless Steel Tips: Finishing off this system are Quad 3-1/2″ diameter, 304 stainless steel tips with laser-etched aFe POWER logos. Brushed 304 SS Construction: The performance axle-back exhaust system is constructed of 2-1/2″ to 3″ mandrel-bent, brushed 304 stainless steel tubing for maximum performance, corrosion resistance and strength eliminating cracking.

Product Features:

• 100% Hand TIG-Welded 304 Stainless Steel Tubing
• Factory Style Exhaust Valve
• Utilizes High Flow Transverse Muffler
• Quad Polished 304 Stainless Steel Tips

The MagnaFlow Sport Series Cat-Back Performance Exhaust System 19187 19187 enhances your 3.0L 2015-2020 BMW with an aggressive character that is sure to help you stand out from the other BMW you encounter on the street. With its 2.5in. diameter fast-flowing mandrel bent main piping that passes through 1 Straight-Through mufflers before ending in a Quad Split Rear exit with 3.5in. Black Coated Welded-On Double Wall Angle Cut Folded Edge tips, this dyno-proven BMW exhaust system refuses to be ignored. As such, 19187 is tuned to produce our powerful, resonant signature exhaust note at Aggressive exterior and Moderate interior sound levels, so please check to ensure compliance with local noise regulations. The system’s cat-back design replaces all your import’s stock exhaust components from the catalytic converter on back. Extensive 3D scanning and CNC precision robotic manufacturing techniques are used to ensure that your exhaust system fits perfectly with just a simple do-it-yourself installation process. The durable, corrosion resistant stainless steel construction of 19187 is backed by MagnaFlow’s 1-year finish warranty and limited lifetime construction warranty.

Product Features:

• Racing inspired sound
• High-performance lightweight design
• Dyno-proven performance

The MagnaFlow 2008-2013 BMW M3 Touring Series Cat-Back Performance Exhaust System 15544 is the perfect partner for your 4.0L 2008-2013 BMW M3 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 2.5in. main piping and 2 Straight-Through muffler that terminate in a Quad Split Rear exit with 3.5in. Polished Welded-On Double Wall Angle Cut Folded Edge tips. 15544 features a cat-back layout design to replace your import’s stock exhaust components from the catalytic converter on back. This BMW M3 exhaust system is compatible with 2008-2013 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 BMW M3 like a glove. 15544 is produced using CNC precision robotic manufacturing techniques and is backed by MagnaFlow’s limited lifetime construction warranty.

Product Features:

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

Exhaust Nut

Exhaust Nut

Exhaust Temperature

CARQUEST premium engine management products provide the right products for a wide range of domestic and import applications. Delivering the highest performance and durability under demanding conditions.

EXHAUST NUT