What's a Mustang without sound? It's the all-electric Mach E, so the girls add an active sound system to give the car some heart and then take it to the track to race a gas-powered Mustang GT. Will electric beat out gas at the track?

The girls bring in a brand-new Bronco off the showroom floor and show you some upgrades you can do. They also look at some of the common weak points of the truck that need to be fixed if you're going to take it off road.