Cat Back Single Aluminized 4 Inch Exhaust with OEM 4 Bolt Flange

For 2001, 2002, 2003, 2004, 2005, 2006, 2007 GM 6.6L Duramax LB7 LLY LBZ

Constructed out of 16 gauge aluminized steel, 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.

Ease of installation
Contour Bent Hangers
TorcTite Clamps
Retains for Cat for Emissions
OEM Style 4 Bolt Flange
No Bungs
Fits Cab/Box Configurations: EC-CC/SB-LB-Dually