HKS Hi-Power Cat-Back Exhaust System for 2015–2021 Subaru WRX and STI

Description

This is the HKS Hi-Power Exhaust System. This exhaust system features a larger piping diameter, smooth bends, and durable stainless steel construction to provide your vehicle with a lifetime worth of performance. The design removes any restrictions to the exhaust flow that is associated with the OEM design, allowing your engine to exhale much easier for improved horsepower and torque, all while creating an aggressive exhaust note. 

DETAILS:

304 stainless steel construction3″ piping diameterDual Hi-Power mufflers with 4″ burnt exhaust tipsSmooth bendsImproves the exhaust flowReduces turbo lagCreates more power, performance, and improves the low-end torqueProduces an aggressive exhaust noteExhaust hangers welded onto the OEM location to make for a direct exhaust replacementWill include new hardware and O-ring gaskets

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