Perrin Catback Resonated Quad Tip WRX / STI Sedan (2011-2018) Porsche VW Jetta GLI MK4 1

VW Jetta GLI MK4 1

without droning or annoying at cruising speeds

and coolant overflow hose

Complementing the dual intake tract are two Dynamic Air Scoops (D

Perrin Catback Resonated Quad Tip WRX / STI Sedan (2011-2018) Porsche VW Jetta GLI MK4 1Get 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