BMW F90 M5 M8 S63 MaxFlow Race Downpipes | IRL

IRL MaxFlow Race Downpipes for the BMW F90 M5 and M8 maximize exhaust flow and turbo efficiency and deliver the aggressive sound the S63 twin-turbo V8 deserves.

Why you need it

Lower backpressure means faster turbo spool, sharper throttle response and more horsepower and torque throughout the powerband, with the airflow to support substantially higher power on a factory or high-performance tune.

Fits

• BMW F90 M5 (S63)
• BMW M8 (S63)

Features

• High-flow race design
• Premium 304 stainless steel, TIG-welded, mandrel-bent
• CNC-machined flanges for an OEM-quality seal
• Direct bolt-on replacement, no permanent modifications
• Deeper, more aggressive exhaust note

Good to know

Intended for off-road and competition use only, not for registered road use. Professional installation is recommended.