Unlock the full potential of the BMW G82 M4 Competition. With the Fi EXHAUST dual front-mid pipe catback, Eventuri intake, HJS downpipes, and BM3 ECU calibration, we transformed the S58 engine from its stock 490 WHP to an incredible 604 WHP. Four selectable BM3 maps give the M4 multiple personalities — from smooth daily driver to full “Battle Mode” supercar hunter.
Outside of motocross, Hunter Lawrence finds passion in high-revving sports cars. Discover what’s under his GT3 RS—and why stock just wasn’t enough.
Unlock +17 WHP on your Porsche 718 GT4 RS with Fi EXHAUST. Dyno-tested performance gains without ECU tuning or CEL. Experience pure motorsport sound and proven power.