BMW Downpipes for BMW F83 M4 S55 3.0L

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When BMW began to offer more and more forced induction vehicles, some enthusiasts were upset and others were excited about the big power potential. While we love older, naturally aspirated BMWs, we LOVE forced induction BMWs. Upgrading your downpipe (or downpipes) is one of the easiest ways to reduce restriction and add more power to your BMW. We offer several brands, including our own designs, of downpipes for your BMW!
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CTS 3" Stainless Steel Downpipe With High-Flow Cats - F8X S55 ...
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
CTS - Corporate Logo
T#:14254799
Part#: EXH-DP-0025-CAT
Ships in 7 Business Days
$ 599.99 USD
Free Shipping
$ 599.99 USD
Free Shipping
CTS Turbo is proud to announce the release of our High-Flow CATS for BMW F80/F82 M3/M4/M2 Competition Our stainless steel high-flow CAT downpipes allow for faster spool, better transient boost response, higher boost, and great sound. Our downpipes are the first part of our modular exhaust system and are compatible with factory mid-pipes and our upcoming CTS Turbo mid-pipes. You should expect strong torque gains when paired with appropriate tuning software. We used CAD simulation to streamline the flow of exhaust gasses and ensure seamless integration with the factory and CTS exhaust components. Many hours of R&D were spent to ensure a perfect fit, smooth exhaust flow, and excellent sound. Use of Bootmod3 software compatible and is strongly recommended. CEL will illuminate if correct software tuning is not used. Features: Large 3″ Durable 304 food-grade stainless steel Laser-cut flanges Factory-like placement of O2 sensors Designed using the latest 3D scanning technology Exhaust flow simulated with CAD software to ensure optimal flow routing Perfect fit with factory or aftermarket mid-pipes Aggressive sound – really makes that S55 scream Fitment: 2015+ BMW S55 M3 (North America) 2015+ BMW S55 M4 (North America) 2018+ BMW S55 M2C (North America) Stage 2 software is required to avoid check engine light.
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Large Bore Downpipes And Hi-Flow Sports Cats - F80/F82
affirm Starting At 0% APR - Subject To Eligibility. See Lending Terms
For Vehicles Produced before 01/19
Milltek Sport - Corporate Logo
T#:593554
Part#: SSXBM1030
Ships in 3 Business Days
Sale - Save 10% $ 3,596.99

This product was last offered at the strikethrough price on
07-01-2026

$ 3,236.64 USD
Free Shipping
Sale - Save 10%
$ 3,596.99

This product was last offered at the strikethrough price on
07-01-2026

$ 3,236.64 USD
Free Shipping
With in-house production and engineering in the United Kingdom, they have been designing and developing exhaust systems for over 32 years. This experience has helped put Milltek on the map when it comes to performance exhausts, with offerings that range from Audi/Volkswagen to Porsche, BMW, and even Bentley. But, they don't stop there. Milltek has also made its presence felt in the motorsport community. Through partnerships with various race teams throughout the world, Milltek has gathered feedback on ways to improve their systems from enthusiasts at every level. Constructed of type-304 aircraft grade stainless steel, the quality is top-notch. To take it a step further, Milltek offers a lifetime warranty to the original purchaser.
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