http://www.amsoil.com/products/promos/P.i.GuaranteeGen.pdf
If their product does not offer your vehicle a fuel economy improvement, you are eligible for a refund. I guess they have a lot of faith that this product will actually improve fuel economy.
Is anyone going to try it because of this offer? I might just have to...
If their product does not offer your vehicle a fuel economy improvement, you are eligible for a refund. I guess they have a lot of faith that this product will actually improve fuel economy.
Is anyone going to try it because of this offer? I might just have to...