Originally Posted by dainedazz

hmmm CEL's with HFC's? tsk tsk. i hate it when i see that light. i had that on my old b13. hmm did anyone have CEL's on their Stillen Cat back alone? or even with the g3's? i really would like to know cuz i'm really interested in getting the Stillen exhaust system with the g3 intakes. i was wondering if they'll throw CELs. looking forward to answers.