BMW B58 Gen 3 MaxFlow Downpipe, Race 200 or 400 Cell | IRL

The IRL MaxFlow Downpipe for the BMW B58 Gen 3 replaces the stock catalytic converters to eliminate back pressure for faster turbo spool and maximum power.

Why you need it

IRL states a tuned B58 on stock turbos can expect around a 30 hp increase. The included flex section reduces stress and vibration.

Fits

• BMW models with the B58 Gen 3 engine

Options

• MaxFlow Race
• MaxFlow 200 Cell
• MaxFlow 400 Cell

Features

• Faster turbo spool
• Reduced back pressure
• Flex section reduces stress and vibration

Good to know

Intended for off-road and competition use only, not for registered road use. A check engine light may occur. Professional installation is recommended.