The clip, which comes from ThatRacingChannel, shows us an USP Motorsports-owned B5 generation Audi S5 which has dropped its 2.7-liter twin-turbo engine for a VW VR6 24v unit, one of the favorite ...

10sec S4 VR6 Rob Williams has been working with O2 Induction (o2induction.com) since 2/11 to build an 10sec Audi S4 with VR6 swap to compete against the import and hot rod scene in Milwaukee, WI.