M6 4.4 (575 HP/ 423 kW)

We developed RaceChip XLR5 to increase responsiveness on the road. Our innovative throttle tuning system lets tune your engines reactions to your taste choose from 7 separate stages. You will love your cars improved dynamics we promise.Your engines...

Torque Increase (NM):97Economy Gain (MPG):15Power Gain (PS):68RaceChip S Tuning BoxUp to 20% more power and torqueUp to 10% fuel savings5 fine tuning mappingsEasy installation in 10 minutes including installation instructionsTuning perfectly tailored to...

We developed RaceChip XLR5 to increase responsiveness on the road. Our innovative throttle tuning system lets tune your engines reactions to your taste choose from 7 separate stages. You will love your cars improved dynamics we promise.Your engines...