007KING said:
I have a 04 4X4 with a Injen Intake that is awsome and a flowmaster exaust. I just put a airid throttle body spacer ( poweraid ) and feel little gain. It does make a wisle sound about 2000rpm but thats it. It's worth it if you like adding mods to your truck but I'm sure you don't have to stay with the some brand. If looking for a good intake I would definatly recomend injen Intake. It gave me a reel noticeable hp & tq gain. The throttle body spacer just complamented the intake.