Originally Posted by FPenvy

I have never had a CEL. and my only "reflash" was when I got tuned. after my installation of mine I drove it for a year or more. added my intakes and got tuned. have been driving it since then no issues even with straight pipes now I have no CEL.

i'm telling you FI test pipes are the best for sound, power, and no CEL. if it throws a CEL they work with you to fix it.

most CEL's come from people mishandling the o2 sensors and breaking them.