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Gibson axle-back dual exhaust for 2006–2008 Cadillac STS V 4.4L is a stainless axle-back system that delivers a deep, powerful rumble and improved acceleration with a tuned muffler that uses resonance chambers and louvered tuning ports to optimize flow and tone. Expect a more aggressive exhaust note and increased throttle response. The system includes mandrel-bent stainless tubing, polished double-wall slash tips, factory-style hangers and all hardware for a hassle-free bolt-on installation, backed by a lifetime limited warranty.
Gibson 06-08 Cadillac STS V 4.4L 2.5in Axle-Back Dual Exhaust - Stainless
