Though not as famous as other Mopar legends, these five underrated models packed some serious muscle and deserve more respect ...

Photo: YouTube/Mopars5150 The 426 Hemi was losing its street appeal ... Funny enough, it was one of the carburetors on one of those 788 Plymouths that got a gearhead to eventually buy a car.

When the 426 HEMI was introduced in mid-1964 ... The second was a race version built for drag racing and used twin Carter AFB ...