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The MAXTON REAR SIDE SPLITTERS V
upgraded Stage 2HPFP and FBO @ 30 - 32 psi
and engineered for low back pressure
made from premium pre-preg carbon fibre
See below for dyno test results
Tom Wrigley BMW M3/M4 Stage 2 Tuning Software Package (G80/G81/G82/G83) M3 (G81) EXHAUSTS The MAXTON REAR SIDE SPLITTERSIncrease the performance of your BMW G80 M3 or G82 M4 with tailored stage 2 S58 engine mapping from Tom Wrigley Performance with upgraded air filters, midpipes and downpipes. Welcome to the R44 X TW G8X Platform mapping service. Is it time you opened up your S58 engine? Up to 630bhp and 800Nm torque can be achieved at the wheels. The R44 X TW packages include all hardware you will require to get your car to the performance level you would like. All