An Audi RS6 Sportwagon with a Lamborghini V10 engine  [kicking out 760 BHP  courtesy of MRC Tuning] sitting upfront, needs something to slow it down! John contacted RS Fabrications to install bigger Dia Rear Disc’s and large 4 pot rear Calipers to his Estate Car. Johns RS6 had been into RS Fabrications, prior to the MRC Tuning work, [...]