The Borla S-Type cat-back for 2015–2016 Subaru WRX and STI sedan applications is tuned to bring out the Boxer engine rumble while minimizing drone. This 3" inlet into dual 2.25" flow path with quad 3.5" polished T-304 tips is handcrafted from premium T-304 stainless steel with precision CNC manufacturing and ultra-smooth mandrel bends. The direct bolt-on system increases exhaust velocity and responsiveness while preserving day-to-day drivability.
Borla 15-16 Subaru WRX / STI 2.5L S-Type Cat-Back Exhaust Quad Rd RL Tips