afe MACH Force-Xp Resonator 3 IN Inlet/Outlet x 4 IN Dia. x 12 IN Body x 16 IN Overall LengthThis universal resonator is designed to add a weld in (or clamp in for existing systems with V Band clamps) resonator to some of our exhaust systems, or any 3 IN exhaust application (there is also a universal resonator delete pipe for those wanting to remove a resonator in an existing exhaust system see Part #49M100005). They feature weld in V Band flanges for a tight, leak free fitment. Stainless Steel Construction: This exhaust resonator is