Perrin Brushed Quad Tip Catback Exhaust was designed specifically with the WRX and STI sedan body style in mind, ensuring the least amount of bends and the highest flow possible without compromising sound quality or performance. The Perrin Performance exhaust system for the WRX features full high polish 304 stainless steel construction, and quad 3.5" slash cut tips. The 3" piping is held together with V-band clamps to eliminate gaskets and leaking! This system will provide an extremely sporty signature Subaru exhaust note with minimal highway drone. The advantages don't end with a new sporty note though, as Perrin has observed performance gains of 8-10 horsepower and torque throughout the rev range with one of these units on an otherwise bone stock WRX.
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