2015.5-2016 GM 6.6L DURAMAX - 4" DOWNPIPE BACK ALUMINIZED

2015.5-2016 GM 6.6L DURAMAX - 4" DOWNPIPE BACK ALUMINIZED

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:

• 4" DOWNPIPE BACK
• Ease of installation
• Contour Bent Hangers
• TorcTite® Clamps
• No Bungs
• Does Not Fit Regular Cab

Fitment:

• 2015.5-2016 GM 6.6L Duramax
• These kits will only fit models equipped with the OEM style 3-bolt flange off the downpipe!

*This product requires the use of aftermarket tuning. 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.*