RE: Heads and Cam package from mopar
i have istalled hhp head &cam kooks long headers high cats rdp cold air intake which is better it takes the cold air from theair intake in the lower bumper lowered my intake temp from 140f to98f on 82 temp day car produces 600 hp at crank and rdp diablo tune by steve from aussie all i can say is wow!!! if you want your challey to run like a daily driver run in the 11s you need to look to high horse perfomance and rdp motorsports check out viedo on hhp web site my chally(orange) vs blk challenger with a vortec supercharger my car with just percision torque converter AND rdp tune both cars on steet tires beat the supercharged chally in columbus at lx andbeyond my car ran 13.022 at106