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HKS Racing muffler for WRX STI sedan 2011–2014 (USA) is a race-oriented exhaust replacement intended for those model years and body style. It focuses on delivering a more assertive outlet character and sporting tone suitable for competition-minded applications, while being explicitly matched to 2011–2014 WRX STI sedan configurations in the U.S. market.
HKS RACING MUFFLER WRX STI SEDAN 11-14 USA
