tuning your HEMI engine begins with one of two additional steps: Either send your stock PCM to a shop or tuner manufacturer to be unlocked, or swap it out for a ready-to-go unlocked unit.

Someone with zero chill and an absolute disregard for all things sane decided that a 1999 Plymouth Prowler (a car that is already outrageous) just wasn’t quite enough. Why would anyone put a 707-hp 6.

If you've ever looked at a classic American muscle car, such as a Dodge Charger or Plymouth Road Runnerand thought, “this ...