BMW S55 F80/F82/F87 Catless Downpipes - XL Flow by Rvng

The RVNG S55 XL Flow Catless Downpipes are exceptional value for your 2015-2019 BMW M3, M4, or M2 Competition, worth 20-25whp and 25-30wtq with a tune. A unique cast stainless v-band-to-pipe transition and a design that holds full diameter until the last couple of inches keep flow high, while removing the restrictive factory cats cuts back-pressure for faster spool, more power, and a more aggressive note.

Features

• 3.5" inlet, high-flow design
• Adds 20-25whp and 25-30wtq at the wheels with a tune
• CAD/CAM-designed cast flange for a seamless flange-to-pipe transition
• Handcrafted from mandrel-bent, TIG-welded 304-grade stainless steel
• Smooth radius bends to reduce turbulence and increase flow
• Fits RHD and LHD with no modification

Fitment

• 2015-2019 BMW F80 / F82 / F83 M3, including Competition
• 2015-2019 BMW F82 / F83 M4, including Competition
• 2018-2021 BMW F87 M2 Competition (S55)

Backed by the RVNG RaceWorks lifetime warranty against defects and fitment.

Emissions disclaimer: This product is not legal for sale or use on pollution-controlled vehicles operated on public roads and is intended for off-road, race, or closed-course competition use only. You are responsible for compliance with all applicable emissions laws; use on public roads may violate the Federal Clean Air Act (42 U.S.C. § 7522) and similar state laws. Please check your local laws before purchase and installation.

Ships from our Vancouver shop — KORE SPEED is proudly Canadian-owned, with no surprise cross-border duties for Canadian buyers. Questions on fitment? Email support@korespeed.com.