The original show was stale. It replaced action for drama. When 40% of the show air time is Asian & Farmtruck antics, you know the show was in trouble.I'm legit shocked they have kept this show & spinoffs going for 9 years.
That is why they changed to The America's List format. More racers and more racing. These cars are FLYING on the street. We are talking 3.8x (6.0 1/4) capable cars on the street. Granted, they aren't going that fast on the street. But they are getting insanely close as these streets get better every night they race on them.
NPK isn't bad. Lots of racing but also drama sprinkled in. NPK was a way to bring in more revenue.