Gibson 316001 Dual Replacement Muffler Incl. Muffler/Crossover X Pipe/Pipes/4 in. Polished Intercooled Stainless Tips Superflow Performance Aluminized Muffler, fully welded, Not packed or screened, nothing to blow out Superflow Performance Aluminized Muffler, fully welded, Not packed or screened, nothing to blow out T-304 High Polished Stainless Steel Clampless Tips Lifetime Limited Warranty