MBRP Armor Plus 4" Turbo Direct Pipe Back T409 Stainless Steel Exhaust System 01-04 6.6L GM Duramax Multiple Applications

When nothing but the best will work, MBRP brings you the Armor Plus 409 Stainless Steel Exhaust System! MBRP's Armor Plus exhaust line up is considered their premier line, utilizing nothing but the best materials in the business. This system for your Duramax is a complete down pipe back kit featuring 4" T409 stainless steel piping and finishes out the back behind the passenger tire. This kit will deliver a rich, mellow exhaust note and a 70% increased exhaust flow for additional horsepower and fuel economy.