2003 chevy sliverado fully loaded LT.It has a A.E.M. cold air intake I have also installed a hyper-tec power programer and a jet mass air flow censor. I just had headmen header put on. for exhaust i have straight pipes with 4 inch mangnaflow tips. Next i plan to get 24 inch rims and led tail lights and halo head lights(all blacked out).