Akrapovic 13-17 Audi S6 Avant/Limousine (C7) Evolution Line Cat Back (Titanium) w/ Carbon Tips control arms the methanol-water mix increases your

the methanol-water mix increases your engine's knock limit thus serving as insurance against unwanted high boost detonation

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some B8 S4/S5 vehicles with Audi Drive Select (ADS) coolers will require custom relocation of the cooler

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but leave a lot to be desired when it comes to daily driving or driving on the track

Akrapovic 13-17 Audi S6 Avant/Limousine (C7) Evolution Line Cat Back (Titanium) w/ Carbon Tips control arms the methanol-water mix increases yourAkrapovic 13 17 Audi S6 Avant Limousine (C7) Evolution Line Cat Back (Titanium) w Carbon Tips This Part Fits: Year Make Model Submodel 2013 2015 Audi S6 Base 2013 2016 Audi S7 Base