Mel's Manufacturing 4" Cat Back Exhaust Kit With Muffler 01-07 GM 6.6L Duramax material option:aluminized This is a direct replacement

This is a direct replacement harness that does not quire you to relocate the PMD itself for a quick repair

vehicle specific mounting pod

This kit uses the factory mounting locations to provide stability and a hassle-free installation

The Derringer is meticulously calibrated and extensively tested to properly modulate power during shifting

We've had many requests from owners for a system to maximize the output and life of the stock in-tank lift pump

Mel's Manufacturing 4" Cat Back Exhaust Kit With Muffler 01-07 GM 6.6L Duramax material option:aluminized This is a direct replacementMel's Manufacturing's cat back exhaust system is a great way to upgrade the look of your factory exhaust for the guys that want to keep the cat in place. Each kit comes with everything required for installation. Available in aluminized or stainless steel