On a 5.7 HEMI, shorty headers promise easy bolt-on power without turning your daily driver into a race-only project. The real question is how much horsepower they actually add compared with stock ...

Ram’s decision to bring back V8 power in its half-ton pickups has unleashed a wave of demand that is now straining the company’s ability to build enough engines. The 5.7-liter Hemi V8 has roared back ...