The factory-spec Jeep Grand Cherokee SRT8 is a fast SUV, and certainly one of the best buys out there for those who want to mix family utility with street-racing fun. But for some buyers, anything coming out of a factory is just a blank canvas - waiting to be tuned into a monster. Check out the world's fastest Jeep, with its 6.4-liter V8 stroked to 7.2-liters and a converted RWD drivetrain. Horsepower output is above 600, and this Grand Cherokee runs the quarter mile in 10.4 seconds!

Check out this incredible tuning to see the Jeep that flies.