The AWE No Check Engine Light Guarantee offers peace of mind against the appearance of Check Engine Lights when products are installed properly and used as intended, on vehicles with no additional modifications (with the exception of other AWE products intended to work with the product in question). No problems, no lights. Easy.
Fitment:
2013 Audi S4 Base
2014 Audi S4 Premium Plus
2014 Audi S4 Prestige
2015 Audi S4 Premium Plus
2015 Audi S4 Prestige