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Re: Does this GMC Truck require an OBDII Cat?
Posted to Emissions Forum on 9/8/2006 1 Reply

Hi Mike,

[...trimmed text...]

Non-OBD II cars can legally use the older non-OBDII (but still CARB exempted/approved) aftermarket catalyts.

Thank you very much!

I was starting to think that my quest... Login to read more.

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