Riffraff Diesel Technical Knowledge Center

The AIH Delete Plug: What it is and why it's needed

The AIH Delete Plug: What it is and why it's needed

Sep 17th 2025

The air intake heater (AIH) is designed to help heat the intake air charge, making cold starts easier and less smoky. However, many remove it for increased airflow and/or because they're tired of fixi … read more
7.3 Fuel Bowl Leaks: Get rid of them for good

7.3 Fuel Bowl Leaks: Get rid of them for good

Sep 12th 2025

One of the more common leaks on the venerable 7.3L Powerstroke is from the fuel bowl. Doing a full rebuild when you first acquire a new 7.3, or when a leak arises is best practice. Our Complete Fuel B … read more