HHO Enhancers | HHO Gas | MAP Sensor Enhancers

We offer 10 days return guarantee policy

No refunds are offered. Only defective product will be offered exchange.

Product must be in the same condition & returned within 10 days of receipt.

If the item has been misused or damaged, the exchange policy will be void.

Buyer must pay for s/h if item is exchanged, no exception.

All the shipping and handling is not refundable.

Once we receive the package, it may take up to 8-10 days to process.