Was going to start using FPPF Total Power and was wondering what everyone else was using? Also, why does GM say not to use and additive at all in the duramax?
Enthusiast
Was going to start using FPPF Total Power and was wondering what everyone else was using? Also, why does GM say not to use and additive at all in the duramax?
2003 2500HD D/A LT 4X4 <br /> Banks Monster Exhaust <br /> Amsoil Air Filter
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