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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

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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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Old 02-10-2023, 09:18 AM   #2 (permalink)
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Do you have any other performance mods done (intake, exhaust, etc)?
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Old 02-10-2023, 06:03 PM   #3 (permalink)
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Yes. Stillen gen3’s, tomei y pipe, tomei signal exit catback
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