Just picked up my bike from Aprilia dealer (extreme today) and as I'm driving home I noticed that the hesitation spot between 3-4k had gotten worse. I had brought it in to the dealer to put a PCIII to clean up those bad spot , but now the damn exaust (2-2 Apr/Akra) is back firing too !!
They did not custom map it on a dyno for me they just put the PC in and tuned it a bit. What do you guys think the problem is?
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