Rvng (F80/F82/F87) S55 3.5' XL Flow Series Catless Downpipes

High-flow stainless steel downpipes designed for 2015-2019 F80/F82/F87 BMW M3, M4, and M2 Competition models with S55 engines. These catless downpipes eliminate factory restrictions to unlock 20-25 hp and 25-30 lb-ft torque gains when tuned.

Performance Benefits:

• Reduced back pressure for faster turbo spool and quicker throttle response
• Increased exhaust flow with full 3" diameter design maintained throughout
• More aggressive exhaust note without catalytic converter restriction
• Improved power delivery across the RPM range

Engineering & Quality:

• Handcrafted from mandrel-bent, TIG-welded SS304 stainless steel
• CAD/CAM designed cast flange for precision fitment
• Smooth radius bends minimize turbulence and maximize flow efficiency
• Compatible with both RHD and LHD models—no modifications required
• Lifetime warranty against defects and fitment issues
• "No Hassle" satisfaction guarantee included

Fitment: 2015-2019 F80/F82/F83 M3 | 2015-2019 F82/F83 M4 | 2018-2021 F87 M2C Competition (S55 only)