Not that the Jazz needs one of these, but has anyone fitted one? Do you believe they work as well as the marketing claims?
Burns fuel more efficiently
Increases MPG, Better economy
Improves cars performance
Reduces Emissions
Saves on fuel bills!
Prevents carbon deposits
Reduced wear on O2 sensor & catalytic converter
Up to 50% fuel savings
I have fitted magnets to the water pipes in the house as we live in a hard water area and I do think that they have made a difference.