Add Wish List Quick view Choose Options RaceChip XLR5 - Audi A8 (4D2) (from 1994) 2.5 TDI (180 HP/ 132 kW) Next-gen throttle response for your Audi A8 (4D2) 2.5 TDI 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