RETURN POLICY

At DeKarb, we stand behind the effectiveness of our HHO carbon cleaning service. We guarantee that our service will effectively remove carbon buildup in your engine, resulting in improved engine performance and fuel efficiency.

If you are not satisfied with the results of our HHO carbon cleaning service, please contact us within 7 days of the service date to discuss your concerns. We will work with you to resolve any issues and ensure your satisfaction with our service.

In the unlikely event that you experience any issues with your engine after our HHO carbon cleaning service, we will investigate the issue and, if necessary, provide a full refund of the service fee or offer a complimentary re-treatment of your engine.

Please note that our guarantee policy does not cover any pre-existing mechanical or electrical issues with your vehicle that may affect engine performance or fuel efficiency. Additionally, any modifications or alterations made to the engine or vehicle after our HHO carbon cleaning service may affect the effectiveness of the cleaning and void the guarantee.