Originally Posted by Duceanahalf

pre 04 they are only 10HP more, thats from the dual exhaust. Post 04 the airbox and MAF are good for 15 over a civilian.
Transmission is the same except for the 11.25" TC vs a civi 12" (slightly higher stall)
i think it was '04 that they went to a 200amp alt, prior to that they were 130.
stiffer springs, different shocks, bigger swaybars, (the HPP/LX Sports actually have a bigger sway bar, 21mm vs. 1, regular civi is 17mm.