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The HKS Hi-Power cat-back exhaust for WRX and STi applications fits Subaru WRX models from 2002–2007 and WRX STI models from 2004–2007, delivering a finished replacement exhaust system. Offered as a direct-fit cat-back option, it replaces the stock exhaust path and is intended to simplify installation and restore exhaust routing while providing an aftermarket alternative from a recognized performance brand.
HKS 02-07 WRX / 04-07 STi Hiper Exhaust
