Should I do a Cat delete on '75 Duster

The BIG performance drop from emissions came from the sa..........sloooooowwwwwwww timing curve in the distributors and late LATE (sometimes AFTER top dead center) timing, and lllllll.........lean !!!! carburetors

I doubt you would gain much removing it, and be DARN careful to check first what smog you have to pass down there before you remove anything