Chrysler SRT8 models to boast 570-hp supercharged option for 2012?
If 470 horsepower is fun, 570 raging stallions can be positively evil. Rumor has it that Chrysler thinks so too, and the automaker plans to unveil an optional tier of SRT vehicles with upgraded powerplants. Later in the year, the Dodge Charger SRT8 and Chrysler 300 SR