2001. 5 6spd. seems like power edge is who i want to go with but which one do I need EZ, Comp. truck is stock with strait pipe and western diesel airfilter. Truck has plenty of power just want to add some more get up and go and see how hi I can get that boost needle. I have two gooseneck trailers on 32ft at 17000 and 20ft at 12,000. truck has no problem with either just want more get up and go when i am not pulling. Where is the best place to do my shopping?