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The Gibson single-exit cat-back exhaust for 2006–2009 Chevrolet HHR LS (2.2L) balances a fuller exhaust note with minimal cabin drone thanks to a baffled/chambered muffler and aluminized mandrel-bent tubing. It installs using supplied hardware and factory-style hangers for a clean bolt-on fit. Expect improved throttle response and modest horsepower gains typical of Gibson's single-side systems.
Gibson 06-09 Chevrolet HHR LS 2.2L 2.5in Cat-Back Single Exhaust - Aluminized
