The 405 travels to Kansas City to accept a challenge of some smacktalking racers. Farmtruck and AZN take on an elderly couple in a Hotrod. The 405 plan to prove their claim of being the "nation's fastest" by hosting the biggest Cash Days event in history.

The 405 List gets big shake-ups as everybody wants to move up, especially Dominator, who has been winning a lot recently. AZN is fed up with Suzi's biting antics so Farmtruck gets a dog trainer. Kamikaze takes a crack at the #10 spot.

The 405 get an unusual callout from a bunch of mouthy racers with super fast imports. Murder Nova, Chief, Chuck, Shane, Kamikaze and Boosted are in for a shock when the ricer cars prove to be faster than anyone imagined.

Daddy Dave is finally ready to unveil his new racecar, "Goliath", and controversy brews as he wants to bully his way up the list. Farmtruck and AZN are convinced the firehouse is haunted and they call a medium to rid their adobe of evil spirits.

It's another 405 Top Ten list shake-up! Daddy Dave takes on Derek, Monza calls out Murder Nova, Boosted takes on Doc, Shane must race Chuck and lots of other surprise races all over the list. Will Big Chief get dethroned? Will Dave continue to climb?

After Daddy Dave crashes his new car, Chief attempts to reunite Dave with Jackie Knox so he can drive the Sonoma. Another racer, The Reaper, takes a shot at the list and tempers flare. Farmtruck attempts to surprise AZN by trying to locate his first car.

Dissatisfied with the Nationwide Callout results, Big Chief decides to host an epic Cash Days with 32 cars all competing for $50K. Daddy Dave & The Sonoma, Kye Kelly with the NOLA crew & the OKC's fastest racers bring the heat. Who will be crowned the fastest in the nation?