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- Product Description
- Fitment
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- Reviews
CTS Turbo 3-inch stainless-steel high-flow catalytic downpipes for BMW S55 applications. Features include 304 stainless-steel construction, laser-cut flanges, factory-positioned oxygen sensors, and compatibility with factory or CTS Turbo mid-pipes.
CTS lists fitment for 2015 onward North American F80 M3 and F82 M4, plus 2018 onward F87 M2 Competition. Confirm chassis, engine, market, and mid-pipe configuration before ordering.
CTS recommends Bootmod3 software compatible with the downpipes and states a check-engine light will illuminate without the correct tuning. Stage 2 software is required to avoid the light.
This product is sold for competition use and is not legal for highway or street vehicles.
Dispatch times vary depending on product availability. Available-to-order items may have extended lead times; contact us before ordering if timing is important. Returns are subject to our Returns Policy. Cancellation exceptions may apply to genuinely made-to-order or clearly personalised goods. Electrical or special-order status alone does not exclude cancellation. Your rights for faulty, incorrect or misdescribed goods remain unaffected. See our Returns Policy for details.
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