Westen Champlin

The '68 Charger gets a supercharger! We find out if this classic Mopar can handle the extreme power upgrade during an ultimate test.

1500HP of pure 'Redneck Science' built for one thing: the world's biggest, smokiest burnout. Watch the tires disappear!

Dropping a 2,000HP engine into the Mustang! This extreme build is going to be pushed to the breaking point. No worries—we're professionals.

It's small, it's V8-powered, and it's a Raptor. This tiny terror is ready for the ultimate off-road chaos and a huge send!

The Mini Raptor gets even crazier! Twin-turbos add massive boost for maximum mudslinging. Prepare for some serious Redneck Science!

An illicit haul of Hellcats and a Bentley! We're transforming this stolen luxury into the wildest, most destructive builds yet.

We're building a semi that can't be stopped. Watch us put this beast through a non-stop torture test to see if it survives.

Bought the cheapest Rolls Royce for a diesel Cummins engine swap. Turning luxury into the ultimate, over-engineered work truck!

Using a little Redneck Science to build a truck that drives backwards. Watch the confusion when the cops pull up!

Snagged a cheap, broken GT500 and brought it back to life. Does this rebuilt muscle car pass the ultimate stress test?

A full tour of the entire collection—over 100 cars! See every supercar, monster truck, and crazy build in the Horsepower Labs garage.

I bought back the 1,000HP Cummins swap build that started it all. Time to see if the original chaos machine still runs!

We build the World’s Fastest School Bus! Can this yellow giant hit record speed or will our Redneck Science lead to a giant crash?

The most insane luxury swap: A Rolls Royce with a Cummins diesel engine. The world's fanciest and dirtiest work truck is here.