Invidia Q300 Stainless Steel Quad Tip Cat-Back (15-21 WRX/STI)

The flat bottom shaped muffler design of the Invidia Q300 Cat-Back results in improved high speed aerodynamic performance. The muffler inside contains continuous piping design and use of Advantex material that results in an excellent free-flow exhaust with optimized back pressure, giving greater horsepower, torque gains and a rich deep sporty sound.

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