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Old 11-06-2020, 08:52 PM   #14
Baddawg53
 
Drives: 17 hyper blue 2SS M6
Join Date: Mar 2018
Location: NorCal
Posts: 594
When I installed my headers I put a hairline crack in 1 plug, super hard to see. It was doing exactly what you described. Miss at WOT. I changed all 8 and the issue went away.
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