Catless Downpipe F90 M5

Catless Downpipe for BMW F90 M5 (2018–2023)

Unlock the full potential of your BMW F90 M5 with this high-performance catless downpipe, engineered specifically for the S63 4.4L twin-turbo V8 engine. Designed to significantly reduce exhaust backpressure, this downpipe improves turbo spool, increases horsepower and torque, and enhances the exhaust note for a more aggressive, raw sound. Constructed from durable stainless steel with precision TIG welding, it's built to handle extreme temperatures and high-boost applications.

This downpipe is a direct bolt-on upgrade for the F90 M5, maintaining factory O2 sensor placements and ensuring a proper fit. Recommended for off-road or track use due to the removal of catalytic converters.

Estimated Power Gains: +30–40 HP / +35–45 lb-ft torque