When was the last time you changed fuel filter?
2004 lb7 ccsb 4x4. Efi live tuned by Rob at ATP, Built trans by Brad at Calvins Auto, Wehrli custom fab s475/stock twin turbo kit, ARP head studs, tie rod sleeves, cognito idler/pitman arm braces, cognito traction bars, airdog 165, turbo horn, LML driver side manifold, cat fuel filter adapter 1r-0749, installed cab lights and tow mirrors. NBS back seats. 6 inch zone offroad lift lowered down and running 305/55/20, optima red tops, Mbrp 5 inch turbo back straight pipe exhaust.
Soon to come: Built motor