More Horsepower And Better Fuel Economy With A Diesel Tune

More Horsepower and Better Fuel Economy with a "Diesel Tune?"

5 MODS EVERY MODERN DIESEL OWNER SHOULD DO – all under $1,500! Get 30% more power, more reliability

ford ranger gain extra horsepower and fuel mileage for free!!!!

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TUNE vs. NO TUNE FUEL ECONOMY TEST! Does it make a difference + EXPERT Diesel Tuning Q&A

LML Duramax Diesel Tuning & Miles Per Gallon - IMPROVED MPG?

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RAM 3500 TUNED: 5TH GEN RAM MPG IMPROVEMENT: EZ LYNK CUMMINS 6.7

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Chip tuning / remapping VS Fuel Economy | Tech Series #2

How To Increase Diesel Fuel Mileage On A Diesel Truck | Tips To Improve Fuel Economy & Save Money

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Mods to get better MPG 2006 Ram 2500 3500 Cummins

Channel Zero One

Can a Fuel Additive give you Better Fuel Economy? (with PROOF)