Headers > Plog any day of the week.
Avoid the stage kits stuff can't be purchased from other places or separate.
Drpends what can you go with will decide what needs to be done. A VS can can be installed without any additional tuning (although always recommend) all the other cams require a tune. You still should change out your valve springs, timing chain with whichever cam you decide to go with.
Our cars don't have a Intercooler..but depended on how far you won't to mod you can always add one..
Search bars at the top of the page..you gotta do some research
