This quality RAGE performance big bore exhaust system will not only increase the power output of your engine, but will also sound good too! Complete with twin stainless steel rear mufflers this system is a simple bolt on solution, designed specifically for 2011-2016 Subaru WRX and STI as well as the non-turbo 2.5L versions of the impreza! This race system uses 76mm pipe. Part number BB15472.

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4G63 Turbo dump pipe EVO 7-9 Kinugawa 