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The JBA cat-back exhaust for the 2004 Pontiac GTO 5.7L is a 409 stainless steel split dual rear-exit system tuned to enhance exhaust tone and flow. It features mandrel-bent tubing, high-flow stainless mufflers, polished chrome tips and factory-style hangers, offering a durable, free-flowing replacement for restrictive stock exhaust components with a balanced, vehicle-appropriate sound.
JBA 2004 Pontiac GTO 5.7L 409SS Dual Rear Exit Cat-Back Exhaust
