Originally Posted by christian370z

In my opinion, the most power for the buck is getting high flow catalytic converters such as those made by Berk (I have them), Stillen, Fast Intentions, or ERZ. They open up a lot of power and give you a nice bump in sound.

Then again, it is all dependent on your budget because that will influence the recommendations you will receive.

Originally Posted by G37sHKS

You want my advice buddy?

Save more than 1.5k$, Because once you start modding you will not stop Trust me!