Add Wish List Quick view Add to Cart The item has been added RaceChip XLR5 - Audi RS4 (B8) (2007 - 2015) RS4 4.2 FSI (450 HP/ 331 kW) We developed RaceChip XLR5 to increase responsiveness on the road. Our innovative throttle tuning system lets tune your engines reactions to your taste choose from 7 separate stages. You will love your cars improved dynamics we promise.Your engines... MSRP: £199.00 Add to Cart The item has been added Compare