2 1/2" Cat-Back Exhaust SystemThese systems will also work with the stock manifolds and catalytic converters. The exhaust system components are also available individually: Balance pipe, muffler assembly, Over axle pipes or tailpipes. The tailpipes were designed to give your car that custom look as our tips are visible from the side of the car where they follow the body line. They turn down so as not to blacken trailers in tow. However the turn down is not pointing at the ground,