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The COBB cat-back exhaust for 2011–2014 Subaru WRX and STi sedans replaces the factory path with 3.5-inch piping and quad 3.5-inch tips to free up exhaust flow and refine tone. Supplied with a hardware kit for bolt-on installation, it keeps routing and hangers compatible with the original system while delivering a fuller sound and reduced backpressure for enthusiasts seeking an integrated, model-specific exhaust upgrade.
Cobb 11-14 Subaru STi (Sedan)/11-14 WRX (Sedan) Quad 3.5in Tips Cat-Back Exhaust Hardware Kit
