Injen Catback Exhaust WRX / STI (2015-2018) Acura rich intake tone

rich intake tone

The bar is formed utilizing a 1" round 6061-T6 aluminum tubing with 1/4" thick wall for the perfect balance between stiffness and weight

SINGLE REAR EXIT

The specific timing of when the reflected sound waves rejoin the main exhaust flow creates a one-hundred-and-eighty-degree out-of-phase sound wave that cancels out problematic frequencies

Injen Catback Exhaust WRX / STI (2015-2018) Acura rich intake toneInjen's catback exhaust system for the 2015+ Subaru WRX STI features 60mm 304 stainless steel construction throughout and utilizes all factory mounting points. Dual oval mufflers provide a deep tone while the quad titanium burnt tips fit perfectly in the factory bumper cutouts. Features: 60mm 304 Stainless Steel Construction CNC Machined Flanges Mandrel Bent Quad Titanium Burnt Tips High Flow Mufflers Made in USA! FITMENT: Subaru WRX STI (2. 5L) 2015+