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If you go the dyno route you may want to do a little research on tuners in your area. I'm not saying it is the case with your dealer or all dealers but alot of the time dealers don't have the most competent tuners. The reality is that your tune will only be as good as the guy doing your tune is.
Mine does that if I race up to shifting RPM's then instead of staying on it, just maintain speed in the next gear. If I stay on the throttle I don't get any back fire or popping.
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