Few changes in and of themselves are going to add noticeable HP changes except I did really feel a difference with headers. Add it all up intake, exhaust, and chip tuning and you will definately notice the gain.
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2000 Black Boxster S
EVO Intake & GIAC Tuning
Headers & Porsche Sport Exhaust System
ROW M030 Suspension
Front & Rear Strut Braces
B&M Short Shift & EVO Billet Linkage
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