Add Wish List Quick view Choose Options RaceChip XLR5 - Maserati Quattroporte VI (from 2012) 3.8 GT S (530 HP/ 390 kW) Next-gen throttle response for your Maserati Quattroporte VI 3.8 GT S The RaceChip XLR5 is our latest throttle response controller with advanced calibration and ultra-precise response curves. The... RRP: Was: Now: £199.00 - £249.00 Choose Options Compare