4" Cat Back Single With Muffler | 2001-2004.5 GM 2500/3500 6.6L DURAMAX- 431108

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
• Retains for Cat for Emissions
• No Bungs
  
• Fits Cab/Box Configurations: EC-CC/SB-LB-Dually

431108