Two key components in this system are the intake manifold and the intake horn. This article delves into how an upgraded Cummins intake manifold and a high-performance 6.7 Cummins intake horn work ...

At the HOT ROD How-To section, you’ll learn how to make improvements to your own special hot rod, drawing from the DIY knowledge of the HOT ROD team to learn more about how-to make more power ...