BMW F90 M5 M8 S63 MaxFlow Race Secondary Downpipes

IRL MaxFlow Race Secondary 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

Less backpressure means faster turbo spool, sharper throttle response and more horsepower and torque. They also support substantially higher power levels on a factory or high-performance tune.

Fits

• BMW F90 M5 (S63 twin-turbo V8)
• BMW M8 (S63 twin-turbo V8)

Features

• Premium 304 stainless steel, TIG-welded, mandrel-bent
• CNC-machined flanges for an OEM-quality seal
• Direct bolt-on replacement for the factory downpipes
• No permanent modifications required

Good to know

Intended for off-road and racing use only, not for registered road use. These are secondary downpipes.