If you're running a Late 1999-2003 truck with the 7.3 L Powerstroke, the standard upper radiator hose design is far from ideal — it snakes right through the serpentine-belt circuit, forcing you … read more

With so many options for up pipe replacements out there, it’s overdue to discuss what's what. We’ve seen them all; some are quality, some are not. We’ve seen all the issues, and we&r … read more

Fuel pickup options are everywhere—sumps, draw straws, high-volume pickups, or simply modifying the factory setup. Each solves a specific problem and improves fuel delivery in its own way. But w … read more

The Exhaust Backpressure Valve on the 7.3L Powerstroke is a common leak point. So common that most of us just simply remove it altogether. Why it's there in the first place: The EBPV was originally i … read more

Full PDF Instructions can be downloaded here: https://www.riffraffdiesel.com/content/RESOURCES/RDP%20Coolant%20Filter%20Installation.pdf Parts Link: https://www.riffraffdiesel.com/riffraff-diesel-cool … read more