Fuel & Fuel Economy

I Improved MPGs by 22.4%! Don’t Get Scammed and Do What Works!

May 2026/23 min/10 products tested

Watch the test ↗

The verdict

He didn't give an outright ranking in this one — the full tested list is below.

Other picks

  • Also noted

    SUPERCHIPS FLASHPAQ Tuner

    “So, our fuel efficiency is now at 18.78 miles per gallon or almost two miles per gallon over the factory setup. And this product definitely gets a thumbs up.”
    Buy ↗
  • Also noted

    Cold Air Intake

    “we just achieved the best fuel efficiency yet at 17.74 m per gallon. That's only about 3/4 of 1 mile per gallon better than the factory setup. Definitely a thumbs up for this one.”
    Buy ↗
  • Also noted

    High Flow Exhaust

    “The new exhaust system was at 101 CFM and the old exhaust system is at 74, which is quite a bit of difference. So, the new system is definitely a lot better.”
    Buy ↗
  • Avoid

    Ferox Fuel Additives (Not Recommended)

    “Unfortunately, it's a thumbs down for this product.”
    Buy ↗
  • Avoid

    Turbonator (Not Recommended)

    “Unfortunately, I just didn't get good results with either of those products. Definitely a thumbs down for this one.”
    Buy ↗
  • Avoid

    Obdiicats (Not Recommended)

    “In my opinion, the first three gadgets that we tested did nothing to improve the fuel economy.”
    Buy ↗
  • Avoid

    nitroOBD2 (Not Recommended)

    “Unfortunately, we seem to have lost both horsepower and torque with a slower time than before at 8.5 seconds.”
    Buy ↗
  • Avoid

    ecoOBD2 (Not Recommended)

    “The only three things that seem to work are the cold air intake, the high flow exhaust system, as well as the programmer.”
    Buy ↗
  • Avoid

    NeoSocket (Not Recommended)

    “The only three things that seem to work are the cold air intake, the high flow exhaust system, as well as the programmer.”
    Buy ↗
  • Also noted

    Mass Air Flow Sensor Cleaner

    “I don't recommend using brake parts cleaner or other types of cleaner since it might cause damage to the mass air flow sensor.”
    Buy ↗

Everything tested 10

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