Add Wish List Quick view Choose Options RaceChip XLR5 - Audi A4 (B8) (from 2007) 2.0 TFSI flex. fuel (180 HP/ 132 kW) Next-gen throttle response for your Audi A4 (B8) 2.0 TFSI flex. fuel 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