Our high flow performance exhaust systems maximize exhaust flow so your engine keeps its cool with lower exhaust temperatures. Your reward will be greater fuel efficiency; more torque; more horsepower; and last but not least a sound that is pure MBRP. P Series Turbo Back Exhaust System; 4 in.; Incl. DownPipe/MidPipe/Ext.Pipes/MufflerDeletePipe/OverAxlePipe/Tailpipe/Hardware; No Tip Incl.; Single Side Exit; Aluminized; 4in. turbo down pipe; No tip included; Not for use on vehicles equipped with Catalytic Converter.