Add Wish List Quick view Choose Options RaceChip XLR5 - Audi A8 (4H) (from 2009) 2.5 TFSI (204 HP/ 150 kW) Next-gen throttle response for your Audi A8 (4H) 2.5 TFSI The RaceChip XLR5 is our latest throttle response controller with advanced calibration and ultra-precise response curves. The most refined... RRP: Was: Now: £199.00 - £249.00 Choose Options Compare