ADVANCED DIESEL TUNERS for HHO- (currently ONLY available with full kit purchases due to high demand)

These NEW DIESEL TUNERS will work with 95% of all Diesel Powered Vehicles using HHO kits! These do what other automated chips promised to do, but didn't deliver. They come with a Thermostat switch (included) which keeps it from activating until engine reaches the proper temperature, preventing error codes and fuel map restrictions.

  • Includes a MAF/MAP connection to lean the fuel flow to engine
  • IAT (Intake Air Temp) sensor adjuster to retard timing and give additional leaning
  • CTS (Coolant Temp Sensor) adjustment forces more leaning of fuel
  • Will not harm or change ECU programming

 If your car or truck is older, it may only have a MAP or MAF sensor - that's OK. This works well and each sensor adjuster works independently, so you can use 1, 2, or all 3 features without compromise. 

DO I NEED ONE OF THESE? If you are using an HHO kit, and your car or truck is diesel (of any size, turbo or non turbo); and your diesel is electronically controlled or monitored using a MAF/MAP sensor or IAT/CTS, then YES - you need this. 

If your diesel is older, and mechanically controlled, then you do not need one of these when using an HHO kit.



All orders over $100 within the U.S. qualify for FREE SHIPPING! Simply add the HHO kit of your choice to your cart and you will automatically get free shipping with FedEx Ground when you are in the contiguous U.S.! Orders to PO Box addresses, APO/FPO, Alaska, Hawaii, and Puerto Rico are fulfilled with USPS Parcel Post. After your order is processed, you will receive an email with confirmation of your purchase and address. Orders are generally shipped within 1-2 business days after the order is placed. Once it has shipped, you will be emailed the tracking number.

It generally takes 2 to 7 days after your order is processed to receive your kit or parts via FedEx Ground. Orders sent via USPS Priority usually take 2-3 days, USPS Parcel Post generally take 1-3 weeks on average, unless you opt for USPS International Express which is normally 3-5 days.

Canadian Orders:
We gladly ship to Canada but you will be expected to cover all brokerage and handling fees. Canada Post may also require a small import tax at your door.

International Orders (outside the US and Canada):
We ship to many countries outside the US and Canada, but do not currently ship to Iran, Afghanistan, or China. If you are unsure, please email us and ask. Overseas packages are always shipped via USPS International Priority (7-14 days but can take longer), or International Express which is guaranteed 3-5 days (but costs $25 per package additionally). Depending on country and kit selected, prices range from $49 to $125 on average. We do not use UPS or FEDEX for overseas shipments as they cost as much as $100 more than USPS. As with Canada, you will be expected to cover all brokerage and handling fees of your own country.

Third Party Freight

Occasionally we will have a customer attempt to purchase our kits and request a third party freight company of their choice. It is our company policy to NOT accept these type of orders. We only use our pre-approved postal and shipping companies, no exceptions.


 What If The HHO Kit Doesn't Fit My Car - Can I Return It?

Yes, you can return the kit for a full refund within 30 days of receipt if you find it doesn't fit your car. Just email our support staff to get an RMA # to return it for a full refund (less shipping).

Is there any kind of guarantee that comes with my HHO Kit?

Yes there is a full Five Year Warranty (800 Series) on our hho generators, and a 30 Day return policy on our kits and accessories.

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