Unless you have access to a chassis dyno you are playing with fire . First off it's the only way to know if ANY mods you do have helped or harmed the performance goal . Second and much more important you have to be able to monitor AFR's . Manufacturers/retailers will say anything to sell product ......... buyer beware .
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2002 Boxster S Arctic Silver with black top with glass window and black leather interior. Jake Raby 3.6 SS ( the beast ) with IMS Solution. 996 GT3 front bumper , GT3 rocker covers and GT3TEK rear diffuser and Joe Toth composites rear ducktail spoiler .
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