You will indeed pass if its tuned for it. I have had issues with my previous mustang where I took it in and they knew it had exhaust and put it on the drive on lift to check. That only happened one time though. Most like mentioned earlier will not bother to check if the light isn't on.
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Airaid CAI | Borla S-Type Catback | Amsoil 10w30 and MTG Trans. Fluid
382hp 387ft/lb | 1/4: 12.9 @ 112mph
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