-you gain the most from an intake if it is turbo up, or in other words replaces that tube running from the turbo to the air box
-the GT exhaust IS restrictive. Finding a good 2.5" or 3" CAT BACK will get you HP. You get even more with both an intake and exhaust
-I'm not a big fan of stage one plus i have no experience with it
-any suspension mod on a PT is worthwhile
-BOV are to prevent back spin on the turbo and allow it to keep spinning between gears.
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My Cruiser is slow. I love the law.
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