Now control your RaceChip straigh from the APP with the New XLR. RaceChip\xa0developed the new XLR to increase responsiveness on the road. Their innovative throttle tuning system lets you tune your engine’s reactions to your taste – choose from 7 separate stages. \xa0 • 7 separate tuning stages • Fast, intuitive operation • Wireless control of tuning stages • App shared with chip tuning • Automatic software updates \xa0 We installed a RaceChip on our\xa0Upgrade or Unload 200,000 Mile B7 A4 |