Everyone gets serious about moving up the list; AZN gets a new tune for the Dung Beetle and tests out the improvements; and Doc gets into trouble on race night, leading Chief to pounce on his chance to make big moves up the list.
Chief is back on the list, so he and Shawn map out a plan to get themselves back into the top spots; Farmtruck sets AZN up with a race against a doctor with a super car; and Doc seems like he finally has his car figured out on race night.
JJ and his racers from Memphis come to OKC for two nights of racing, so everyone in the 405 has to step up and get ready to lay it all on the line, but after flagging and technicalities cause drama, the 405 has to fight for every win.
Chief's ready to take his new car up the list one more time; Reaper struggles to get his car fixed in time for race night; and Farmtruck and AZN think outside the box to round up some races with the truck off the list.
The 405 has an entirely new list, but everyone is still fighting to get to the top. With Dave down for repairs, Chuck, Ryan, Shawn and Monza battle to try to take the top spot, while Doc tries to get himself out of the bottom five.
In the Season 9 premiere, the guys in the 405 make big changes. Chief decides to kick all the pro-mods off the list; and everyone loses their spots and have to race to find out where they belong on the list.