This listing is for: One (1) Resonator Pipe / Center Muffler Free Gaskets 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.