BMW Exhaust Parts, Mufflers & Catalytic Converters for BMW E30 M3 S14 2.3L

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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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Universal Catalytic Converter - 2.25"
Universal Catalytic Converter - 2.25"
Emico - Corporate Logo
T#:23152011
Part#: 602205
In Stock
$ 97.99 USD
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$ 97.99 USD
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Enhance your BMW's performance with this OBD II compliant universal fit catalytic converter. This converter, devoid of O2 sensor bungs, ensures compatibility with various vehicles. However, please note that it's not a 50-state legal catalytic converter. For California residents, it's recommended to verify local laws pertaining to aftermarket catalytic converters.
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Clamping Bush 18307536423
Clamping Bush 18307536423
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:19623
Part#: 18307536423
Ships in 3 Business Days
$ 20.99 USD
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$ 20.99 USD
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CLAMPING BUSH 18307536423 Manufactured by CRP

Rein Self-Locking Nut
Rein Self-Locking Nut
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:12678
Part#: 18301737774
In Stock
$ 4.99 USD
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$ 4.99 USD
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Be sure to install new hardware with your new parts to ensure proper tightening and fitment. This is an M10 self-locking nut, used in various locations in the vehicle. Be sure to check for proper size and application prior to ordering.
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Rein Hex Nut - E24, E28, E30, E34
Rein Hex Nut - E24, E28, E30, E34
2X Entries Into Our F80 M3 Sweepstakes
Rein - Corporate Logo
T#:7031
Part#: 11621304755
Ships in 3 Business Days
$ 2.99 USD
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$ 2.99 USD
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Replacement nut for exhaust manifold.
BMW Xforce Smartbox Varex Muffler ECU Upgrade Module
BMW Xforce Smartbox Varex Muffler ECU Upgrade Module
XForce - Corporate Logo
T#:28570834
Part#: VKSB01-ECU-MODUL
Ships in 1 Business Day
$ 399.00 USD
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$ 399.00 USD
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BMW Xforce Smartbox Varex Muffler ECU Upgrade Module is the ideal choice for BMW owners seeking to enhance their vehicle's performance. This innovative module seamlessly integrates with the Varex muffler system, allowing for precise control over exhaust sound and performance. With its easy installation process and versatile functionality, it provides an elevated driving experience for BMW enthusiasts.
  • Seamless integration with Varex muffler system
  • Precise control over exhaust sound and performance
  • Easy installation process
  • Versatile functionality for enhanced driving experience
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BMW & MINI Rennline Universal 4" Exhaust Tips - Pair
BMW & MINI Rennline Universal 4" Exhaust Tips - Pair
Rennline - Corporate Logo
T#:27472189
Part#: EX17.BLACKKT
Ships in 5 Business Days
$ 218.00 USD
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$ 218.00 USD
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Upgrade your BMW & MINI with the sleek Rennline Universal 4" Exhaust Tips - Pair. These tips are designed to enhance both the look and performance of your vehicle. Featuring a swivel tip that allows for precise adjustment to align perfectly with your exhaust outlet, these tips are easy to install and built to last.

  • Swivel tip design for adjustable positioning
  • Slant cut, double wall construction with rolled edge
  • Chrome-plated nuts, 304SS cap screw, clamp, insert ring, and exhaust tip
  • Universal fitment for 2.5” inlet size and 4” outlet size
  • Built to last with durable materials

Dimensions:

  • Inlet Size: 2.5”
  • Overall Length: 4.92”
  • Outlet Size: 4”

Modification may be required for proper fitment.

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Rennline Universal 4" Exhaust Tip Black - Priced Each
Rennline Universal 4" Exhaust Tip Black - Priced Each
Rennline - Corporate Logo
T#:17937436
Part#: EX17.BLACK
Ships in 5 Business Days
$ 109.00 USD
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$ 109.00 USD
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Rennline Universal 4" Exhaust Tip Silver- Priced Each
Rennline Universal 4" Exhaust Tip Silver- Priced Each
Rennline - Corporate Logo
T#:17937437
Part#: EX17.SILVER
Ships in 5 Business Days
$ 104.00 USD
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$ 104.00 USD
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Rennline Universal 3.5" Exhaust Tip Black - Priced Each
Rennline Universal 3.5" Exhaust Tip Black - Priced Each
Rennline - Corporate Logo
T#:17937435
Part#: EX18.BLACK
Ships in 5 Business Days
$ 205.00 USD
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$ 205.00 USD
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Rennline Universal 3.5" Exhaust Tip Silver- Priced Each
Rennline Universal 3.5" Exhaust Tip Silver- Priced Each
Rennline - Corporate Logo
T#:17937434
Part#: EX18.SILVER
Ships in 5 Business Days
$ 121.00 USD
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$ 121.00 USD
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