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 ...

Improving engine performance is a continuous challenge for custom-truck enthusiasts. In this day and age of higher fuel costs, we are always looking for ways to enhance horsepower and increase fuel ...

It's been a while, but we finally dragged out the Circle Track dyno mule for a new round of testing. This time around the idea came from a bench racing session where we were talking about different ...

Owners of Hemi-powered Ram trucks seeking more towing horsepower and torque will find aFe Power’s performance Headers and Y-Pipes for the 2009-14 Dodge Ram Trucks a great solution. Both products are ...

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 ...

It's been a while, but we finally dragged out the Circle Track dyno mule for a new round of testing. This time around the idea came from a bench racing session where we were talking about different ...