2011-2015 Duramax 4" Cat-Back Exhaust - No Muffler (431014)

The 431014 is a 4" Cat-Back Exhaust System by Mel's Manufacturing for the 2011-2015 6.6L Duramax. It's the perfect kit if you're looking to remove your stock components and replace it with high-performance & high-flow 4" piping. Just like all of Mel's Manufacturings Exhaust kits, it will come with all the required clamps, pre-weld contour bent hangers, and stronger flanges to help you cruise through the installation process. You'll notice fuel mileage improvement, increased torque, and you'll have a much better sounding 6.6L!

Part Number: 431014

Superseded Part Number: flo-ss861