Cummins 600/650 Fits to Stock only.
Armor Plus High Flow Muffler Assembly; 4.5 in.; Fits To Stock Only; Incl. 4.5 in. Tip; T409 Stainless Steel; 4.5 in. Outlet Diameter Tip; High-Flow Muffler Assembly. T409 Stainless Steel.
Our high flow performance exhaust systems maximize exhaust flow so your engine keeps its cool with lower exhaust temperatures. Your reward will be greater fuel efficiency; more torque; more horsepower; and last but not least a sound that is pure MBRP.
MBRP Exhaust Armor Plus Series, Direct Bolt-on High Flow Performance Muffler Assembly.
