Ever wondered if those old Turbo Air Guides actually worked? Check out Power Driven Diesel's dyno testing with and without it here!

Finally, all the details have been released! Check out our first impression, testing, and finally all the pricing options on the 2019 RAM Heavy Duty trucks!

It's big and ugly, and it's GM's fault, right? Well, hold on there.

It's tempting to want to gang up on the 2020 Silverado HD, but there's something to be said about being temperate and patient.

Mick Jagger once said, "You can't always get what you want," and Ford is taking his words to heart. They're restricting the Ranger Raptor from going on sale in the U.S... and that's a load of bull!

You've added horsepower to your diesel. You want the extra insurance to make sure your cylinder head and gasket stay safe. We turned to the experts, ARP.

Analyzing the top color picks of late-model trucks

More than just a black-and-white issue

The late Vic Edelbrock Jr., turned his family business into an iconic dynasty, and protected the entire aftermarket automotive parts industry against government over-regulation through perilous times.