2006-2008 Duramax LBZ/LMM Shift Kit (1604721) Timing Covers & Brackets The Twister muffler uses a

The Twister muffler uses a high-flow dual-path system to keep your exhaust quiet enough for the street but doesn't restrict the flow like your OE muffler would

Built from 6061 aluminum

2001-2004 Duramax LB7 Dynomite Diesel Reman Injector 50HP 25% Over (DDPLB7-50)

Performance injectors increase fuel quantity between 33%-53%

The ball joint allows for greater articulation than bushing only replacement end links can which prolongs the bushing life and allows for normal sway bar movement

2006-2008 Duramax LBZ/LMM Shift Kit (1604721) Timing Covers & Brackets The Twister muffler uses aInstallation recommendation: Experienced technician Includes our exclusive Smart Trim Clutch Control valve assemblies and items to modify the C2 clutch piston for increased capacity and more durability. The C2 clutch is the weakest part of the early 5 Speed Allison Addresses goes to neutral under load; 3 4 slip; burned C2 C3 clutches; sticks in one gear; won't move after extended parking; loss of pump prime; smart clutch control valves for increased