Discovery Turbo

The 405 prepares for Outlaw Armageddon, the biggest and baddest No Prep race. All the racers get to work on their cars, testing and changing them for the big prize.

The restoration of a rare Japanese icon is a chance for Drew to pay homage to one of his automotive heroes. However, work stalls when Paul struggles to find essential parts he needs.

Matt's plans for restoring his prized 1965 Mustang Coupe were sidelined when his sick brother moved in, but with some help the classic gets a second chance to shine.

Fred and Dave head to Montana to rescue a unique farm truck. However, there is a lot of work to be done on the 1945 Chevy truck which has been modified for farm use and is made to drive backwards.

When Fred and his crew hear that Yellowstone Off-Road Racing is holding a 200-mile race on a Montana ranch, they pick up a Toyota 4Runner in order to modify it, and get it race ready .

Diesel Dave picks his first giveaway truck and dreams big attempting to build a new Kodiak.

As a way to repay his older brother for his selfless generosity, a man calls in the Garage Squad to help get his surprisingly solid '84 Ramcharger squared away both inside and under the hood.

A Toyota MR2 makes power, but not the power it once had; Bogi and Faye check the turbo system for any boost leaks, then have the turbo rebuilt at a nearby shop.

The girls put a smaller pulley on an AMG E 55 to get the supercharger to spin faster.

The guys deliver some answers on what makes a Tesla tick, as they tear down a first-generation Tesla to put the drivetrain in a classic Cougar.

After the first round of Outlaw Armageddon, 19 of the best racers are still competing for the $40,000 pot. Can the remaining 405 racers defend their turf?

A classic Fiat 124 Spider race car offers the boys the chance to be able to fulfil their heritage racing dreams. However, it's a tight fit and Drew despises its green colour scheme.

George is the proud owner of a Chevrolet pick-up truck passed down to him by his father-in-law. To honour his memory, the team restores it to its former glory.