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drilling holes in the back off my pipe

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    drilling holes in the back off my pipe

    should i drill holes in the back off my pipe for a cheap performance mode and a quik sound cool

    #2
    holes

    Yes if you want to destroy the jetting setup and have flat spots in odd places in the rev ranges. Especially if its a cv carb model....
    Sure if you get rid of a load of restriction out the silencer, then follow it up with rejetting to suit, you might get rid of most of the flat spots and more power...

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      #3
      If That's what it took for a prformance gain then all the pipe manufacturers would sell Drill motors and bits instead of pipes and jet kits... Hey! maybe I got ripped off! @#&$%*#&!!!!

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