they can be from the misfires, what tune is it running, Just a cobb OTS map?
also can be a transition point in the map where timing might be a little to high.
really could also be something making noise like a DP hitting or something like that.
Cory
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MAYHEM TUNING
2006 CGM STI
570WHP
539WTQ
10.6 At 136MPH Sacramento
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