Pay in 4 interest-free payments of $187.38 Learn more
Ships within 48 hours · Estimated delivery Sep 11 - Sep 16
Failure to do so may result in damage to your vehicle
What sets this system apart is the included purpose-built splitter
Includes all new hardware
this system improves airflow into the EJ engine for better performance and throttle response
HKS Hi-Power Cat Back Exhaust Single Exit Subaru WRX / STI 2015-2021 | 31006-BF003 Maxima_1989-1994 Failure to do so mayTransform the sound, appearance, and performance of your Subaru with the HKS Hi Power Single Exit Cat Back Exhaust System. Designed specifically for the 2015 2021 WRX and STI, this premium exhaust replaces the factory quad tip setup with an aggressive single exit configuration featuring an 85mm main pipe and race inspired muffler design. Constructed from high quality SUH409 coated steel and SUS304 stainless steel, the Hi Power exhaust reduces back
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