Perrin Catback Resonated Quad Tip WRX / STI Sedan (2011-2018) Porsche Achieve perfect balance and precise

Achieve perfect balance and precise tuning with this Whiteline Sway Bar Kit

sway bars or coilovers

without droning or annoying at cruising speeds

Competition Clutch kits for the Acura Integra are available with a street or racing style pressure plate

Perrin Catback Resonated Quad Tip WRX / STI Sedan (2011-2018) Porsche Achieve perfect balance and preciseGet yourself a great sounding, high quality catback exhaust for your 2011 2017 WRX or STI sedan with Perrin's brushed steel finish. Straight Through Mufflers: PERRIN Performance mufflers have a true 2. 5" internal diameter for uninterrupted exhaust flow. PERRIN mufflers and flange connections are equal throughout the entire length, not necked down, for ultra smooth transitions throughout the system. 3. 5" Slash Cut Tips: Oversized 3. 5" slash cut