When it comes to performance there is but one steadfast rule: All the good air that goes into making horsepower must eventually find its way out. This means that the addition of everything from ...

Hot Rod school is now in session. For the benefit of first-timers we'll begin with a primer on exhaust header basics, your first logical step towards improved automotive performance. Not only will we ...

There's been a lot written about optimizing header design, but most of us can't afford one-off, custom-built, ideal-for-the-combination headers. Realistically, we use what we can buy over the counter.