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If you're looking to transform the sound of your 135i, The ARM 135i Race Exhaust is for you! These elements of the OEM 135i exhaust hit the mute button on your 135i. After installing the ARM 135i Race Exhaust you will experience all the snarl under load, whistling turbo sounds on deceleration, and raw roar on full throttle that your 3.0L inline six has to offer! The ARM 135i Race Exhaust is direct bolt-on system, and designed for a direct fit with the ARM N55 Downpipe, N54 Downpipes, or OEM downpipes.
The ARM 135i Race Exhaust includes a front midpipe, rear midpipe, axle back section, exhaust tips, as well as installation hardware and gaskets. This first section of the midpipe is a divided design comprised of two 2.5" sections. The second section, the rear midpipe, continues the divided design until the axle back connection where a Y-pipe merges both pipes into a single 3" pipe.
| Make | Model | Engine |
| BMW | E82 135i Coupe | N55 3.0L |
| BMW | E82 135i Coupe | N54 3.0L |
Backed by the ARM Motorsports Lifetime Warranty against defects in craftsmanship or fitment. See the full warranty terms for details.
Off-road use only: This product is intended for racing vehicles and may be illegal for use on public roads in many states or provinces.