Valvetronic Universal Muffler Kit, Single Inlet Single Outlet, 89MM 3.5" 1 Muffler UVM.89MM.X1 2004.5-2005-6.6l-lly-duramax (Use ZONC70 or ZONC72)

(Use ZONC70 or ZONC72)

Our Billet Aluminum Tappet Covers will never bend or deform like the factory sheet metal covers

Each laser cut piece of steel is powder-coated to ensure a quality fit

It is designed to protect from harsh terrain that may throw dirt

Valvetronic Universal Muffler Kit, Single Inlet Single Outlet, 89MM 3.5" 1 Muffler UVM.89MM.X1 2004.5-2005-6.6l-lly-duramax (Use ZONC70 or ZONC72)Valvetronic Designs Universal Muffler Kit, Single Inlet Single Outlet, 89MM 3. 5" 1 Muffler UVM. 89MM. X1 3. 5" diameter tube constructed from the highest quality T304 stainless steel Single inlet, single outlet Universal fit (many applications) Vacuum exhaust valves with key fob remote system Precision tig welds for high strength and ultimate longevity Do your neighbors despise your cold start in the morning? Do the police give you a hard time