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Tucson38 · 12-29-2016, 05:41 PM

That's interesting. I have an '85 HD 3/4 GMC that came with no catalytic converter from the factory. I was told that it was exempt because it was considered a commercial vehicle.

12-29-2016, 05:41 PM	#4
Tucson38 Registered User Join Date: Aug 2011 Location: Tucson Arizona Posts: 164	Re: Is this right? That's interesting. I have an '85 HD 3/4 GMC that came with no catalytic converter from the factory. I was told that it was exempt because it was considered a commercial vehicle.