The Gibson MWA center/center oval muffler is a stainless straight‑thru design delivering maximum sound and near‑straight‑pipe flow. With no packing, baffles or weak deflectors, it offers high flow rates and minimal interior drone in a compact package. Constructed from high‑quality stainless steel and made in the USA, the MWA suits hot rods, trucks, and off‑road builds that seek a powerful tone and efficient exhaust performance.
Gibson MWA Superflow Center/Center Oval Muffler - 4x9x14in/2.25in Inlet/2.25in Outlet - Stainless