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, ...

What is it about exhaust scavenging, headers, and systems that leave us in a perpetual fog? Shorty ... medium ... long-tube? Pipe size? What collector type? Which is ...

Unlocking hidden horsepower gains is a pursuit that many car enthusiasts eagerly embark upon. One of the most effective ways to achieve this is by upgrading your vehicle’s headers. Different types of ...

Back when this '99 Trans Am was nearly new, the original owner installed a set of mid-length headers that served the Bird well, but the time has come for a change. There is a small hole in one of the ...

With over two million sets of headers produced, you could say Hedman Hedders of Hedman Performance Group knows a thing or two about building a reputable exhaust manifold for your American hot rod, and ...

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 ...

Since its debut in the '90s, the LS engine market—Gen III and IV small-blocks—has grown exponentially, with new and better parts being introduced at a fever pitch. What does this mean for us? As the ...