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  1. New member from NJ ( jetkit help needed )

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    I recently purchased a 06 suzuki drz 400. Bike came with a jetkit(unsure of jet sizes) 3x3 air box mod and yoshi slip-on to a fmf header, bike ran perfecty fine. I just recently replaced the yoshi slip-on with a Fmf powercore 4 to complete the full Fmf exhaust system. The bike now needs to be...
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