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!

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!

Found a real NASCAR on Marketplace! We're taking this track beast off-road for a destructive durability test. What could possibly go wrong?

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.