| Diamond Eye K4116S 01-09 GM 6.6L Duramax 4" Turbo Back Dual Exhaust 4" Turbo back | Stainless steel | Dual Exhaust | Mandrel bent tubing | Increased horse power | Lower EGT's | Direct bolt on system | Install's in less than two hours Diamond Eye Performance exhaust is a top quality, "Made in America" exhaust system, that is built to fit the first time. Each system is Mandrel Bent, expertly welded and has a distinguished sound to meet any enthusiast's needs. *Photo is representative of a Diamond Eye Performance Exhaust system, and may not be actual product 07-09 LMM Duramax's Require DPF delete Module/Programmer to work properly - See below for details NOTE: May require extra attention when installing this kit on trucks equiped with a flip ball style goose neck hitch. Clearance under the bed is tight. If the pipes are not rotated correctly they will hit the hitch assembly |