You purchased your muscle car for a reason. Now, Gibson gives you a powerful Exhaust System that screams performance. You can expect a deep powerful exhaust rumble tone with improved acceleration and increased horsepower gains when you put the pedal to the metal! Gibson Muffler actually tunes your exhaust by using resonance chambers, directional louvered tuning ports and angular induction to draw exhaust gases into the muffler and expel it at a higher velocity that delivers optimum power. Hassle free, bolt-on installation with professional looking results. Backed by a Lifetime Limited Warranty.. Gibson 05-06 Pontiac GTO Base 6.0L 2.5in Axle-Back Dual Exhaust - Stainless. Baffled/Chambered Muffler; No Internal Packing. Polished Stainless Round Double Wall Slash Tip. Minimal Interior Drone - Aggressive Sound. Axle Back Dual Exhaust System; Stainless. Incl. All Hardware/Factory Style Hangers. Stainless Steel Mandrel Bent Tubing. Hassle Free Bolt-On Installation. Gibson Exhaust System Kit. Lifetime Limited Warranty. Dual Exhaust System. Performance Muffler. Car

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