2011–2015 Chevrolet Duramax 4-Inch Downpipe-Back Exhaust System – Muffler-Free Design (Part #431017 / 432017)

Description

Description

Fits

Mel’s Manufacturing Exhausts are designed to fit all wheelbase & cab configurations unless otherwise specified. Looking to make more power and increase your MPG on your 2011-2015 Duramax? The 864NM by Mel’s Manufacturing is your answer. It allows you to remove the restrictive OEM exhaust system and replace it with a free-flowing 4″ exhaust system from the downpipe back! 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. This doesn’t include a muffler and is ‘intended’ for race applications!Part Number: 431017 & 432017

Features

• 4″ Downpipe Back Single Exhaust system. This setup does NOT include a muffler and is intended for Race Applications
• Aluminized Steel
• No Bungs
• Single Side Exit
• Easy Install – Mounts to OE Hangers

Notes

• This system will NOT work with trucks equipped with the 3-Bolt Flange off the turbo direct pipe.
• The turbo direct pipe on some of the 2015 models has a 3-bolt flange instead of a V-band clamp. These kits will only fit models equipped with v-band clamp.

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