Riffraff Diesel Technical Knowledge Center
Exhaust Back Pressure Tube Issues for the 1999–2003 7.3 Powerstroke
Aug 9th 2026
The 7.3 Powerstroke exhaust back pressure tube connects the passenger-side exhaust manifold to the EBP sensor mounted near the front of the HPOP reservoir. That tube lets the sensor read exhaust press
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Diamond Eye 4" Aluminized Turbo-Back Exhaust for 1999–Early 2003 7.3 Powerstroke
Aug 7th 2026
The factory 7.3 Powerstroke exhaust is restrictive, especially on trucks that tow, run tuning, or need better airflow out of the turbo. The Diamond Eye 4" Aluminized Turbo-Back Exhaust gives 1999&ndas
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5R110 TorqShift, Common Problems: Symptoms, Causes, and Diagnostic Tips
Aug 7th 2026
The 5R110 TorqShift used behind the 6.0L and 6.4L Power Stroke is a strong transmission, but just like anything else, it's not bullet proof and will need repair from time to time. Fluid, electrical, h
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Alliant FICM Fuel Injector Control Module for 2003–2004 6.0L Powerstroke
Aug 3rd 2026
The 6.0L Powerstroke FICM controls injector operation, and when it starts dropping voltage, the truck can act like it has bad injectors, weak batteries, glow plug issues, or all of the above. Common s
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Complete CAC Intercooler Boot and Clamp Kits for 2008–2010 6.4L Powerstroke
Jul 31st 2026
The 2008–2010 6.4L Powerstroke CAC system lives in a harsher environment than earlier Powerstroke generations did. Quick boost changes, heat, oil vapor, increased boost pressure, towing load, an
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