Gibson 18707 Single Exhaust System Exit Is Straight Out The Back; Incl. Muffler/2.5 in. Pipes/3.5 in. Stainless Tip 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 Slash Tip Lifetime Limited Warranty