03honakerss Posted July 28, 2011 Report Share Posted July 28, 2011 (edited) I am about to purchase a set of headers and redo my exhaust system. I was thinking of maybe deleting the cats. Will this throw my check engine light? if so when i get a tune can this be fixed? or just leave the cats on Thanks for the info Edited July 28, 2011 by 03HonakerSS (see edit history) Quote Link to comment Share on other sites More sharing options...
chris B Posted July 28, 2011 Report Share Posted July 28, 2011 I am about to purchase a set of headers and redo my exhaust system. I was thinking of maybe deleting the cats. Will this throw my check engine light? if so when i get a tune can this be fixed? or just leave the cats on Thanks for the info If you remove the cats you will need to have the rear o2 deleted by a tuner or it will throw a code .... chris Quote Link to comment Share on other sites More sharing options...
jtmarine02 Posted July 28, 2011 Report Share Posted July 28, 2011 Yep, 1stTimeSSguy is right, I had it happen to my tuck after my exhaust upgrade a while back. Wheatley took care of that code when I got my tune. Quote Link to comment Share on other sites More sharing options...
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