Add Wish List Quick view Choose Options RaceChip XLR5 - Lexus GS III (S190) (from 2005) GS 450h (345 HP/ 254 kW) Next-gen throttle response for your Lexus GS III (S190) GS 450h 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