2001-2004.5 Duramax 5" Downpipe Back Exhaust - No Muffler (531111 / 532111)

Description

Fits

Year	Make	Engine
2001-2004.5	GM	LB7, LLY, w/ 6.6L Duramax

Mel's Manufacturing Exhausts are designed to fit all wheelbase & cab configurations unless otherwise specified.

The 531111 / 532115 is a 5" Downpipe Back exhaust for the 2001-2004.5 Duramax Trucks. It will replace the restrictive exhaust system with a 5" straight pipe high-flow system with no muffler and is designed for race applications. 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 sail through the installation process. This exhaust not only sounds great but will help improve your mileage, torque, and throttle response in your Duramax!

Part Number: 531111 / 532111

Features

• 5" Downpipe Back Single Exhaust system.
• No Muffler
• Aluminized Steel & Stainless Steel Options
• Single Side Exit
• Easy Install - Mounts to OE Hangers