Any vehicle sold in the U.S. since 1975.
On some vehicles, yes.
They have been installed on all vehicles since 1975.
No, the first catalytic converters installed on GM vehicles was in 1975.
The first year for Catalytic converters was 1975They were first required on all cars in 1975.
1975 and later.
1975
in 1975
1975
They where required for the 1975 model year.
The check engine light will be on due to the empty catalytic converters not being efficient. On 96 and up vehicles the computer monitors the efficiency of the converters. Not to mention "gutting" a converter is illegal.
No, planes don't have catalytic converters.
1975