hey i am new to this forum, and i am looking for some parts for my new 2500hd and was wondering what would be the best. i am lookin to do a full exhuast but right now just a cat-back, and i also want an intake but i think i am going to go with the k&n tho, i also want to get a progemmer but most of them say that it won't tune a 6 spd tranny. so need a little help, thnks

 

I would try a superchip as far as the chip, k& n intake is 300 dollars even on ebay, as far as exhaust i would go with a flowmaster!!