hey people. I'm new to the whole performance truck thing. I'm trying to figure out how to get the most power out of my truck without doing a full motor swap. thinking bout doing cam long tube headers no cats true duals maybe with h or x pipe custom tune(probably by nelson performance). I have an 07 nbs silverado with the 4.8. Already got a K&N cold air intake with throttle body spacer. Just dont know exactly what other mods are worth it or like what size cam or where to get it. Any advice is appreciated.

 

Longtubes and a good flowing exhaust will help a lot. Loose the throttle body spacer.
All depending how much money your willing to spend... im sure some of these more knowledgeable guys will chime in!

 

Twin turbo..yupp that should make a difference.

 

I'm for sure going with long tubes and deleting cats. And I'm tired of the whistling so tb spacer is coming off soon. Still got a lot of research to do. And twin turbo would be nice but not trying to break the bank ha. Thanks for the input.