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 ...

We often try our best to get the most performance possible from our engines. In the search for more power, we often remove exhaust manifolds and swap them out for a set of headers. Available in ...

One area of engine science that shows positive returns is the exhaust system, particularly from the cylinder head to the muffler. It's been proven over and over again that headers add big power, so ...