Im with u mean machine if straight piped hurts anything then why do racers use them on there scoots and how did we run all last summer with tuned carb with zero issues? Also im already runnin 50-55mph at 6000 rpms wide open which is low so why wouldnt lighter rollers that can get my rpms up to say 8000 max where the power is not get me to 60 mph?
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