Air Dog vs. Regulated Return
I know the air dog is a pump and filter set up. The regulated return, from Diesel Innovations, has no filtering but still says it ups the pressure to 65-75psi. Which is better? They are both around $500. The air dog 2 replaces the whole fuel system, but is $660. Is this really gonna help as much they claim?
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'06 6.0 F350 CCLB KR.
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