The 5.7 HEMI is one of the most recognizable and celebrated American engines ever made. It's a beast of a power plant, with up to 395 horsepower and 410 lb-ft of torque on tap — right out of the box.
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 ...
If the 6.4-liter HEMI propelling the Dodge Challenger SRT8 seems a tad underpowered by modern standards, there's a way you can pump up your V8's credentials with added Germanic quality... Cue Austrian ...