The performance world already knows to respect any machine sporting a Hemi, and a late-model, 6.4 Challenger is no exception. From a visual standpoint, the Challenger is certainly the best looking of ...

500 horsepower was just the beginning for these high-powered pony cars.

In the previous two installments of "Mods for GT500 Mods," we took a close look at the hot, new Shelby GT500. Fresh from the factory, the GT500 offers impressive performance even in stock trim.

To find out, we ran a series of back-to-back tests using a Shelby GT500 Super Snake comparing the 2.8L H and the new 3.6L. The first test was actually performed by Kenne Bell on its blower dyno.