Clean Saleen

i just got my BBK o/r X-pipe on and i love it except i gotta get a minor leak fixed sounds like... but to get to the point, my check engine light hasn't come on... i was expecting it to from all the things i've heard... is this unusual?

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96 S281 Saleen #15B

ddmsgtr1

How long have you had it on?? It usually takes at least a few miles, before I put cats in it was almost 2 days before my CEL popped up.

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'02 GT
SLP LM1 Catback
Bassani Catted X
MotoBlue U/D Pullies
BBK CAI