Previous tests have shown unequal-length short-tube headers are worth around 7 hp on a near-stock 5.0 engine, while equal-length short-tubes typically pick up around 11 hp. Frankly, we were amazed at ...

When it comes to performance, many overlook the backside of the equation, more commonly known as the exhaust. The old adage that what goes in must also come out, should immediately come to mind when ...

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 ...

On a previous episode of Engine Masters, we watched David Freiburger (of Roadkill fame) and his crew run a comparison test between differently sized headers of the same long-tube variety. This time, ...