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  1. jetting and PSI's

    Street Tarders
    I have an '07 DRZ SM With Yoshi and 3x3 airbox. It was sold to me this way. I rejetted from a 155 to 170 and am I ever stoked! I recommend this jetting. I am not noticing any flat spots and shes really throaty now. I went as wide as possible in the bake tires and threw on Avons and shes got the...
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