How much HP do shorty headers add to a 5.7 HEMI and what do they cost?

From torque gains to everyday drivability, shorty headers promise a lot for the 5.7 HEMI. Here's why this simple mod keeps ...
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Shorty headers on a 5.7 HEMI: How much HP do you really gain and at what cost?

On a 5.7 HEMI, shorty headers promise easy bolt-on power without turning your daily driver into a race-only project. The real ...