Mini Cooper S R57/58 offers a 1.6-litre four-cylinder turbocharged engine that produces a horsepower of 172 bhp. This Mini Cooper S R57/58 came in at DKU Performance for a backbox. The purpose of the backbox is to limit the sound of the exhaust system generated by the gas when it passes through the system. It usually presents at the end of the exhaust line which serves as a muffler. Our client wanted a back box for the vehicle so we designed and fabricated our custom performance back box in it. you can check our work by hearing out the improved and transformed sounds this vehicle is producing after getting its custom job done by the engineers of DKU Performance. we deal with a full range of exhaust systems from performance exhaust systems to turbo back exhaust systems. Our range includes exhaust systems of entry level to a premium level.