The PERRIN Performance? WRX cat back exhaust system is constructed of full 3" diameter, CNC mandrel bent, 304 stainless steel. This fully flanged complete cat-back unit insures leak free function.



The PERRIN? exhaust system directly bolts-on to stock and aftermarket down pipes using all existing mounting hangers.



The straight-though, huge, 3.5" inside diameter PERRIN? muffler creates maximum performance and horsepower while emanating a deep exhaust note.



Available with a 4" single tip or dual 2.5" tips.