BMW Exhaust Parts, Mufflers & Catalytic Converters for BMW I12 i8 B38 1.5L

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Performance exhaust options from the best BMW aftermarket producers and the most reliable replacement maintenance parts are all at Turner Motorsport. Over time, factory exhaust on the cleanest examples of BMW heritage shows their age. Our factory replacement exhausts are just what you need to keep your favorite car in showroom condition or finish off your restoration. If you are looking for a bump in sound and power, you can also find our performance options like Headers, Downpipes, and Mufflers from Corsa, DINAN, and others on this page.

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2.5" Stainless Steel 3-Bolt Flange - Priced Each
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ECS - Corporate Logo
T#:28637313
Part#: 028092ECS05AKT
In Stock
Sale - Save 30% $ 36.99

This product was last offered at the strikethrough price on
11-07-2026

$ 25.89 USD
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Sale - Save 30%
$ 36.99

This product was last offered at the strikethrough price on
11-07-2026

$ 25.89 USD
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Upgrade your exhaust system with the 2.5" Stainless Steel 3-Bolt Flange - Priced Each. This high-quality flange is designed to provide a durable and reliable connection for your exhaust components. Made from stainless steel, it offers corrosion resistance and longevity, ensuring a lasting performance. Whether you're repairing or customizing your exhaust system, this flange is an essential component for a secure fit.

  • Durable stainless steel construction
  • Corrosion-resistant for long-lasting performance
  • Provides a reliable connection for exhaust components
  • Suitable for repair or customization of exhaust systems
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Stainless Steel V-Band Clamp - 3.0"
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Turner Motorsport - Corporate Logo
T#:587341
Part#: TMS30VBKT
In Stock
$ 54.99

This product was last offered at the strikethrough price on
10-07-2026

$ 24.99 USD
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$ 24.99 USD
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Ensure you are building your custom exhaust system with only the best! This V-Band Clamp is made completely of T304 stainless steel for high strength and corrosion resistance and comes with zinc-coated hardware. PART DESIGN Weld Rings are made from T304 Stainless Steel for corrosion resistance Weld Rings are 3.0" inside diameter (ID) to slip over a 3.0" OD tube Weld Rings feature a unique "centering ring" on the ID to aid in the alignment of assembly V-Band clamp is T304 Stainless Steel Securing hardware is Zinc-coated steel with high-temp poly. lock nut ​INSTALLATION AND SUPPORT These are universal parts, meaning they have no direct fitment to any particular vehicle. Custom welding and fabrication is required. Special prep/clean procedures must be adhered to for proper welding.
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3.0" Stainless Steel V-band Assembly - Priced Each
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ECS - Corporate Logo
T#:587340
Part#: 028092ECS09AKT
In Stock
$ 54.99

This product was last offered at the strikethrough price on
10-05-2026

$ 24.99 USD
Free Shipping on orders $49 and up
$ 24.99 USD
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3.0" Stainless Steel V-band Assembly - Priced Each

Elevate your BMW's exhaust system with the 3.0" Stainless Steel V-band Assembly - Priced Each. This top-quality V-band assembly is tailored for BMW vehicles, offering numerous advantages for enhanced exhaust performance and durability. Crafted with precision and durability in mind, it delivers:

  • Robust stainless steel construction ensures long-lasting reliability
  • Secure V-band clamp design guarantees a tight seal
  • Simple installation and removal facilitate maintenance or upgrades
  • Compatible with 3.0" exhaust systems

Upgrade your BMW's exhaust system with this stainless steel V-band assembly.

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Bav Auto Extra Long Oxygen Sensor Tool - 1/2" Drive, 7/8" x 6" ...
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Bav Auto Tools - Corporate Logo
T#:580383
Part#: B8800067
In Stock
Sale - Save 20% $ 30.99

This product was last offered at the strikethrough price on
11-07-2026

$ 24.79 USD
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Sale - Save 20%
$ 30.99

This product was last offered at the strikethrough price on
11-07-2026

$ 24.79 USD
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This 1/2" Drive, 7/8" x 6" Extra Long O2 sensor tool is used to remove difficult to reach oxygen sensors.

2.25" (57mm) Exhaust Clamp - Priced Each
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ECS - Corporate Logo
T#:28570866
Part#: NBC225
Ships in 5 Business Days
Sale - Save 3% $ 24.99

This product was last offered at the strikethrough price on
11-07-2026

$ 24.24 USD
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Sale - Save 3%
$ 24.99

This product was last offered at the strikethrough price on
11-07-2026

$ 24.24 USD
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For secure exhaust connections, choose the 2.25" (57mm) Exhaust Clamp.

Engineered for durability and reliability, this clamp ensures a tight seal for your exhaust system components. Its high-quality construction and corrosion-resistant finish provide long-lasting performance, even in harsh conditions. With easy installation and a precise fit, this exhaust clamp is a must-have for any vehicle owner.

  • Ensures a tight seal for exhaust system components
  • High-quality construction for durability
  • Corrosion-resistant finish for long-lasting performance
  • Easy installation for convenience
  • Precise fit for secure connections
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Dinan Heavy Duty Exhaust Band Clamp - 3.00" (76mm)
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Dinan - Corporate Logo
T#:38688902
Part#: D662-9237
Ships in 1-3 days
8% off MSRP $ 23.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 21.99 USD
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8% off MSRP
$ 23.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 21.99 USD
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Perfect for the do-it-yourself customer looking for a band clamp that allows for a 360º pressure connection, this clamp fits the build. Created from stainless steel, the clamp allows for connecting to 76mm (3") via a swedged pipe, and provides even clamping pressure and seal around the entire pipe. This makes for a simple install, or a quick removal should the need arise.
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Dinan Heavy Duty Exhaust Band Clamp - 2.75" (70mm)
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Dinan - Corporate Logo
T#:38688901
Part#: D662-9228
In Stock
8% off MSRP $ 23.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 21.99 USD
Free Shipping
8% off MSRP
$ 23.99

MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.

$ 21.99 USD
Free Shipping
Perfect for the do-it-yourself customer looking for a band clamp that allows for a 360º pressure connection, this clamp fits the build. Created from stainless steel, the clamp allows for connecting to 70mm (2.75") via a swedged pipe, and provides even clamping pressure and seal around the entire pipe. This makes for a simple install, or a quick removal should the need arise.
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CTA Tools - Corporate Logo
T#:640929
Part#: CTA2065
Back Ordered
$ 19.99 USD
Free Shipping on orders $49 and up
Extra length is needed sometimes

CTA Tools - Corporate Logo
T#:640932
Part#: CTA2064
In Stock
$ 17.85 USD
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Out of space? Use this thin wall socket.

Bav Auto Exhaust Doughnut Stretcher
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Bav Auto Tools - Corporate Logo
T#:580373
Part#: B8800051
In Stock
Sale - Save 25% $ 21.99

This product was last offered at the strikethrough price on
11-07-2026

$ 16.49 USD
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Sale - Save 25%
$ 21.99

This product was last offered at the strikethrough price on
11-07-2026

$ 16.49 USD
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This tool is not vehicle specific and is a universal tool that may or may not work on all applications. This exhaust doughnut stretcher features an offset J-hook to grab onto the rubber rings used to mount most BMW exhaust systems. Features a large coated handle for a comfortable grip.
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Exhaust Sleeve Clamp - 76mm
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ECS - Corporate Logo
T#:58563045
Part#: D0001-CL1-76
In Stock
New Item
$ 14.99 USD
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When you are pushing high RPMs, the last thing you need is an exhaust joint backing off or leaking under thermal stress. The ECS Tuning 76mm Stainless Steel Exhaust Clamp delivers high-torque clamping force engineered to withstand intense heat, heavy chassis vibration, and aggressive exhaust pulses. Whether you are prepping a track-day weapon or strengthening your daily driver's exhaust line, this heavy-duty sleeve clamp locks your 76mm piping together improving the look and function of the underside of your vehicle
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ECS Exhaust Hanger Locking Collar - 12mm
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ECS - Corporate Logo
T#:40106223
Part#: 053563LA01
In Stock
Sale - Save 20% $ 16.99

This product was last offered at the strikethrough price on
11-07-2026

$ 13.59 USD
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Sale - Save 20%
$ 16.99

This product was last offered at the strikethrough price on
11-07-2026

$ 13.59 USD
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Achieving precise exhaust fitment can be tricky—especially when the exhaust hanger has room to slide. This movement can cause annoying rattles or even lead to contact with the underbody or rear bumper. The ECS Tuning Exhaust Locking Collar offers a simple and effective fix. Designed to clamp securely around the exhaust hanger, this collar keeps everything firmly in place, eliminating unwanted movement.

Crafted from high-strength 6031 billet aluminum and finished in a sleek black anodized coating, it delivers both durability and corrosion resistance. With this collar in place, your exhaust stays exactly where it should—no rattles, no surprises.

Product Design:

Made from precision machined 6061 aluminum Black anodized finish Stainless steel M5 X 0.8mm hardware Installation & Support:

Install the locking collar around your exhaust hanger, position the hanger in place, and snug the locking collar down in place against the hanger! ECS Exhaust Hanger Locking Collars are available for 10mm and 12mm exhaust hangers. Please measure your hangers before ordering. The 10mm locking collar can be found HERE.

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ECS Exhaust Hanger Locking Collar - 10mm
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ECS - Corporate Logo
T#:40106222
Part#: 053563LA02
In Stock
Sale - Save 20% $ 16.99

This product was last offered at the strikethrough price on
11-07-2026

$ 13.59 USD
Free Shipping on orders $49 and up
Sale - Save 20%
$ 16.99

This product was last offered at the strikethrough price on
11-07-2026

$ 13.59 USD
Free Shipping on orders $49 and up

Achieving precise exhaust fitment can be tricky—especially when the exhaust hanger has room to slide. This movement can cause annoying rattles or even lead to contact with the underbody or rear bumper. The ECS Tuning Exhaust Locking Collar offers a simple and effective fix. Designed to clamp securely around the exhaust hanger, this collar keeps everything firmly in place, eliminating unwanted movement.

Crafted from high-strength 6031 billet aluminum and finished in a sleek black anodized coating, it delivers both durability and corrosion resistance. With this collar in place, your exhaust stays exactly where it should—no rattles, no surprises.

Product Design:

Made from precision machined 6061 aluminum Black anodized finish Stainless steel M5 X 0.8mm hardware Installation & Support:

Install the locking collar around your exhaust hanger, position the hanger in place, and snug the locking collar down in place against the hanger! ECS Exhaust Hanger Locking Collars are available for 10mm and 12mm exhaust hangers. Please measure your hangers before ordering. The 12mm locking collar can be found HERE.

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Exhaust Sleeve Clamp - 64mm
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ECS - Corporate Logo
T#:58563044
Part#: D0001-CL1-64
In Stock
New Item
$ 12.99 USD
Free Shipping on orders $49 and up
When you are pushing high RPMs, the last thing you need is an exhaust joint backing off or leaking under thermal stress. The ECS Tuning 64mm Stainless Steel Exhaust Clamp delivers high-torque clamping force engineered to withstand intense heat, heavy chassis vibration, and aggressive exhaust pulses. Whether you are prepping a track-day weapon or strengthening your daily driver's exhaust line, this heavy-duty sleeve clamp locks your 64mm piping together improving the look and function of the underside of your vehicle
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CTA Tools - Corporate Logo
T#:3729697
Part#: CTA2068
In Stock
$ 11.99 USD
Free Shipping on orders $49 and up
Remove rust and dirt for easy installation with this tool

Exhaust Sleeve Clamp - 60mm
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ECS - Corporate Logo
T#:58563043
Part#: D0001-CL1-60
In Stock
New Item
$ 11.99 USD
Free Shipping on orders $49 and up
When you are pushing high RPMs, the last thing you need is an exhaust joint backing off or leaking under thermal stress. The ECS Tuning 60mm Stainless Steel Exhaust Clamp delivers high-torque clamping force engineered to withstand intense heat, heavy chassis vibration, and aggressive exhaust pulses. Whether you are prepping a track-day weapon or strengthening your daily driver's exhaust line, this heavy-duty sleeve clamp locks your 60mm piping together improving the look and function of the underside of your vehicle
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Stainless Smooth T-Bolt Clamp - Priced Each
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ECS - Corporate Logo
T#:594070
Part#: 94100-0288
In Stock
$ 5.99 USD
Free Shipping on orders $49 and up

Enhance your BMW's hose connections with this sleek and reliable smooth clamp. Crafted specifically for BMW models, this clamp ensures secure and leak-free connections for hoses. Experience improved durability and functionality in your BMW's system with this purpose-built smooth clamp.

Key Benefits:

  • Secure and leak-free hose connections
  • Designed specifically for BMW models
  • Enhanced durability for long-term use
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Eberspaecher - Corporate Logo
T#:579136
Part#: 21.289.911
In Stock
Sale - Save 22% $ 6.99

This product was last offered at the strikethrough price on
11-07-2026

$ 5.44 USD
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Sale - Save 22%
$ 6.99

This product was last offered at the strikethrough price on
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$ 5.44 USD
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Universal Connector

Genuine BMW - Corporate Logo
T#:29104
Part#: 07130757758
Ships in 1-2 days
$ 3.09 USD
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Genuine BMW HEX NUT WIHT FLANGE
Stainless Steel Weld-In Oxygen Sensor Bung - M18x1.5mm
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Turner Motorsport - Corporate Logo
T#:587345
Part#: TMS02BUNGKT
Ships on Jan 11, 2027
Sale - Save 30% $ 3.99

This product was last offered at the strikethrough price on
11-07-2026

$ 2.79 USD
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Sale - Save 30%
$ 3.99

This product was last offered at the strikethrough price on
11-07-2026

$ 2.79 USD
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Finish your custom exhaust with this T304 stainless steel weld-in oxygen sensor bung. PART DESIGN CNC-cut from T304 Stainless Steel for corrosion resistance Radiused to match 2.50"-3.00" OD tubing for ease of welding Threaded for M18x1.5mm RH oxygen sensors INSTALLATION AND SUPPORT These are universal parts, meaning they have no direct fitment to any particular vehicle. Custom welding and fabrication is required. Special prep/clean procedures must be adhered to for proper welding.
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