a few questions: what do you think would be my best bet with headers with getting the best seal for the price? an at any point would it be neccesary to install a auxiliary transmission cooler kit to disapate for the heat? current mods are msd coiplack,msd wires with the iridium spark plugs, poweraid throttle body spacer with a hard piped intake, corsa cat-back exhaust, 3.4 pulley boys pulley with a new belt.