BMW G90 G99 M5 S68 MaxFlow Primary 400 Cell Downpipes

IRL MaxFlow Primary 400 Cell Downpipes for the BMW G90/G99 M5 maximize exhaust flow and turbocharger efficiency and deliver the aggressive sound the S68 twin-turbo V8 deserves.

Why you need it

Reducing backpressure gives faster turbo spool, sharper throttle response and more horsepower and torque across the powerband, and supports substantially higher power levels on a factory or high-performance tune.

Fits

• BMW G90 M5 (S68)
• BMW G99 M5 (S68)

Features

• 400 cell catalytic design
• Premium 304 stainless steel, TIG-welded, mandrel-bent
• CNC-machined flanges for an OEM-quality seal
• Direct bolt-on replacement, no permanent modifications

Good to know

Intended for off-road and racing use only, not for registered road use.