Cummins engines used in Ram Heavy-duty trucks are famous for making insane performance gains with simple upgrades. Road-going truck owners just need to toe the line and keep their modified diesels ...

Everyone here is guilty of letting their throttle body go unloved for far too long. Heck, some car owners might never clean theirs. Throttle bodies are just one of those things that can live at the ...

We may receive a commission on purchases made from links. Our cars depend on many individual mechanical parts and systems, as well as a host of electrical sensors and computers to carry us to and from ...

Bolting on an aftermarket intake manifold has long been the introduction to hands-on hot rodding. Improved looks, performance, and, often, fuel economy can be just an intake swap away. Not to mention ...

In the first installment we dealt with the essentials of spec intake manifolds. The story was intended to establish a level of understanding that would enable more specific information to be helpful, ...