are you over 200,000 miles?
2003 chevy cc,sb 4x4
Engine: LB7 6.6 duramax diesel
Transmission: allison 1000
Mods: transparts stage IV, S/C 1056 converter (built by me), EFI live w/ DSP2, LBZ fuel pressure regulator, 5" flo pro exhaust 6" dual wall tip, airdog 150, PPE billet pickup tube, K&n cold air intake, LB7 mouth piece mod, tripple piller gauge mount w/ fuel pressure,egt and boost, GM touch screen navigation, extang soft bed cover, tow mirrors, debadged
Wheels & Tires: 20"x10" eagle wheels and 33"x12.5"x20" nitto mud grapplers