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OPGI Price: $79.99
Part Type: (P) High Performance, designed to improve performance
Sold As: EACH
2016 GTO Catalog Page: 345
The “Aero Chamber Muffler” is designed for a throaty, powerful sound and flows 23% better to produce more horsepower and torque with its aerodynamic design. Made of heavy-gauge aluminized steel with a stainless steel perforated plate to eliminate internal rust.