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I have done both truck stop def and a variety of def from Autozone, etc. If I can find it, I usually get the ultra premium blue def, because I notice a substantial increase in fuel economy and power, but I've never had an issue with any of it from the pump.
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Andy + Shari (plus our furry friends Goose and Huge). Fulltiming since 3/2020. 2020 Montana 3855BR. 2016 RAM 3500 SRW Tradesman with Tow/Haul package. Curt E16 Slider Hitch.
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