These are Mopar accessory mats from the 1980's. They were intended to fit the more narrow footwells of the K based FWD cars. Sold in US and Canada.
Mark
"Yet they put it on the road & had some fun"
I watched the show. No heat in the dead of winter, smelly exhaust, lousy road manners, breakdowns. I'm not sure "fun" was part of it!
Mark