Quote Originally Posted by nickbuol View Post
If I could do it over again, instead of the downpipe and stainless steel PLOG, I would have looked hard at a full set of headers. Not because I NEED them for a 3.5" pulley, but they are really a more complete exhaust system from the engine, and the cost was really about the same. Labor would have been the biggest increase whether I did it myself or someone else did it, headers take more time.

Good luck!
This is why i recommend an intake first, unless you go intercooled you wont change your intake. Even if you go IC you don't have to.

In addition headers is usually earlier on in the modding process then IC. People decide on a plog and then realize they would rather headers later on.