> Catalytic converters were required You claimed they were required by law, but they weren’t. Now you claim they had them anyway, but I can find no evidence o

> Catalytic converters were required You claimed they were required by law, but they weren’t. Now you claim they had them anyway, but I can find no evidence of that either. Do you have some evidence that 1988 GMC 6000 trucks had a catalytic converter from the factory? I can find nothing online to support that claim.