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Old 02-09-2023, 08:41 PM   #1 (permalink)
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Question Header install w/o defoulers. Should I be worried about ECU

Hey everyone. First time posting on the forum, couldnít find anything on this so here I am. Iím installing PPE long tube headers in the coming days and I got them with out defoulers. Without them Iím obviously going to have a CEL and now Iím curious if the ECU will try to compensate and possibly decrease performance.
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