Gibson 789800S Superflow SFT Stainless Performance Muffler 7 in. Round Body; 3 in. Center Inlet; 2.5 in. Dual Outlets; L-24 in. Baffled and Chambered . Design. No packing to blow out Baffled and Chambered. Design. No packing to blow out Increased Power with Unrestricted Flow Lifetime Limited Warranty