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Black Smoke
The Doc’s Difference can now be experienced with THE DIESEL TREATMENT
Doc's Engine Air Filter: 99
and plastic
6L Duramax Fuel/Water Separator 2006-2014: 3 Micron @ 96
Doc's Diesel Doc's x Hot Shot's Secret Interval Fuel Treatment 3.0L EcoDiesel Black SmokeAbout Product: Doc's Diesel & Hot Shot's Secret are partnering to bring their #1 selling diesel additive to the Doc's Family with Interval Fuel Treatment, powered by Hot Shot's Secret. Interval Fuel Treatment is formulated with safe and powerful injector cleaner not just to clean common coking deposits, but also the hard to get rid of IDIDs (Internal Diesel Injector Deposits). Removing these deposits improves your Diesel performance and protect your