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MaxDx1 Fuel Enhancer

β˜…β˜…β˜…β˜…β˜… 4.8 Β· 12,400+ verified reviews

Premium fuel reformulator in a measured-pour bottle. Squeeze to fill the chamber, dose exactly, pour it in before you fill up. 1 oz treats 10 gallons β€” gas or diesel.

MaxDx1 is a non-carcinogenic fuel reformulator that improves combustion at the molecular level. More of every gallon becomes power instead of soot β€” restored MPG, smoother idle, quieter injectors, and a cleaner fuel system from tank to tailpipe. One formula for gasoline and diesel: daily drivers, heavy-duty pickups, boats, generators, and heavy equipment. It even improves performance on low-grade or aged fuel.

  • Restores lost power & cleans injectors
  • Boosts MPG & raises cetane rating
  • Maximum lubricity & easier cold starts
  • Cuts emissions Β· gas & diesel Β· marine & generator rated

Money-Back Guarantee: use every drop β€” if you don't feel the difference within 90 days, we refund 100%. No return needed. Powered by Omstar DX1.

$34.95 $44.95
1 Β· Choose your supply
16 oz Bottle
$34.95 save 22%
β˜… Most Popular
1 Gallon (128 oz)
$279.00 save 20%
1
πŸ›‘οΈ Empty-bottle guarantee β€” 90 days 🚚 Ships in 24 hrs πŸ”’ Secure checkout

1. Squeeze the bottle to fill the measuring chamber.
2. Dose 1 oz per 10 gallons of fuel (an 18-gal tank needs ~1.8 oz).
3. Pour into your tank before fueling, then fill up.

Use at every fill-up for best results.

Size: 32 fl oz (946 mL)
Treat ratio: 1 oz : 10 gallons
Treats up to: 320 gallons per bottle
Fuel types: Gasoline, diesel, biodiesel blends, marine fuel
Compatible: DI, common-rail, turbo, DPF, catalytic converters
Formula: Full synthetic, ash-free

Orders ship within 24 hours, Monday–Friday. Free shipping on orders over $75. Empty-Bottle Guarantee: use every drop β€” if you don't feel the difference within 90 days, we refund 100%. No return shipment needed.

πŸ’§ Dosage Calculator

MaxDx1 is concentrated: 1 oz treats 10 gallons. Find your exact dose and the right size for you.

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Why Drivers Switch to MaxDx1

Most shelf additives are marketing in a bottle. Here's how a true synthetic enhancer stacks up.

 MaxDx1Leading 8 oz AdditiveGas-Station "Premium"
Full synthetic formulaβœ“βœ•βœ•
Gas AND dieselβœ“Separate productsβœ•
Concentration1 oz : 10 gal1 oz : 4 galβ€”
Cost per gallon treatedfrom $0.07~$0.35+$0.40–0.60 at pump
Built-in measuring chamberβœ“βœ•βœ•
Marine / generator ratedβœ“βœ•βœ•
Money-back guarantee90 daysβœ•βœ•

*Comparison based on published product specs and typical retail pricing.

FAQ

Questions? Answered.

Yes. MaxDx1 is a fully synthetic, ash-free formula that meets fuel-system compatibility standards for gasoline and diesel engines, including modern direct-injection and common-rail systems, catalytic converters, and DPFs.

No. Under the Magnuson-Moss Warranty Act, a manufacturer cannot void your warranty for using an aftermarket fuel additive unless it's proven to have caused the damage.

1 oz per 10 gallons of fuel. Squeeze the bottle to fill the measuring chamber, dose exactly, and pour it in before you fill up.

Use the entire bottle. If you're not satisfied within 90 days, email us for a 100% refund β€” no return shipment required. That's the Empty-Bottle Guarantee.