PROBLEM ENGINE ON MY JEEP SRT8 on 2007 Jeep Grand Cherokee SRT8

I installed on my jeep srt8 obx long tube headers for now and I j misfire at low revs with the engine light lit shek What should I controlled

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2 answers
seek a diag and est this could be a back pressure issue caused by headers
If you put it back to 'stock' does the misfire go away?