This listing is for: One (1) Resonator Pipe/ Center Muffler Free Gasket, Bolts, Hangers and Clamp Included Northeastern Exhaust Features: Horsepower gains with our non-wrinkled pipes for better, non-restrictive exhaust flow. 409 stainless steel for longer durability compared to regular aluminized steel exhaust systems. All items listed are 100% Brand New and come with a Limited Lifetime Warranty against defects! The warranty does not cover shipping, labor or any other related charges.