A 2015 Dodge Charger R/T with a V8 engine under the hood produces 370 horsepower. A Challenger R/T from that same model year produces 375 hp. These are very good numbers even a decade later. But what ...

American muscle has long been defined by big-displacement V8 engines, but Dodge is now testing that tradition on two fronts. In garages across the country, owners are bolting superchargers onto ...