Will this include EGR or is only going to effect the DPF system?
Will this include EGR or is only going to effect the DPF system?
03 Silverado 5.3 ECSB 4x4 Z71
Comp Cam 206/212 .515/.522 112 lSA, hardened rods with LS9 springs
2010 Tahoe VVT AFM 5.3
Stock for now