4" Aluminized Downpipe Back Single With Muffler 2020-2023 GM 2500/3500 6.6L DURAMAX L5P- 431027

Description

Constructed out of 16 gauge aluminized steel or T409 Stainless, this exhaust system is designed to simplify installation with included clamps, preweld contour bends and improved flanges. Enjoy a noticeable boost in performance, lowered EGTs and amplified air flow with this Mel's system. For powerhouse performance, Mel's delivers - horsepower you can hear!

Features:

• Ease of installation
• Contour Bent Hangers
• TorcTite® Clamps
• Factory Style Flange
  
• No Bungs
  
• Fits Cab/Box Configurations: EC-CC/SB-LB-Dually

 These parts are for use on non-registered race vehicles on closed-course competition events *Installing or using this part on any emission-controlled vehicle ("street" or "off-road") may violate federal and/or state emissions laws and regulations. *Not available to ship to the United States

part number 431027