Add Wish List Quick view Choose Options RaceChip XLR5 - Porsche 911 (997) (from 2004) 3.8 Turbo S (530 HP/ 390 kW) Next-gen throttle response for your Porsche 911 (997) 3.8 Turbo S The RaceChip XLR5 is our latest throttle response controller with advanced calibration and ultra-precise response curves. The most... RRP: Was: Now: £199.00 - £249.00 Choose Options Compare