alright my prob. i have a o4 4x4 ext cab 4.8. my mods, airaid tubular intake, k&n drop in, powerair tbs, descreened maf, redneck ram air, custom 3 inch exhaust, stock headers and cats, hypertech pp3, and jet billet servo. my friend has the exact truck same year only a 5.3 ltr, with k&n and borla exhaust. from a 20 roll i pull maybe a half a car but 60 to 80 or above HE STILL PULLS A CAR ON ME AND EVEN MORE. wtf am i doing wrong or does he just have a factory freak? please help