Catless Downpipe G8x

Catless Downpipe for BMW G80 M3 / G82 M4 (S58 Engine)

Upgrade your BMW G80 M3 or G82 M4 with this high-performance catless downpipe, designed specifically for the S58 engine. This downpipe eliminates the factory catalytic converter to significantly improve exhaust flow, reduce turbo lag, and increase overall horsepower and torque. Constructed from high-grade stainless steel and TIG-welded for durability, it's built to handle extreme temperatures while maintaining optimal performance.

Expect sharper throttle response and a more aggressive exhaust note. This part is intended for off-road or track use only.

Average Power Gains: 20–30 HP