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AMSOIL Guarantees Fuel Economy Improvement
with P.i. Performance Improver Gasoline Additive

AMSOIL is now offering a money-back guarantee on its top selling gasoline additive AMSOIL P.i. Performance Improver if the product fails to improve a vehicle's mileage. Field tests show that AMSOIL P.i. provides an average fuel economy improvement of 2.3 percent and up to 5.7 percent. If a customer does not see a measurable fuel economy improvement in his or her vehicle after first-time use of P.i., AMSOIL will refund the purchase price of the product.

The P.i. money-back guarantee offer is good through December 31, 2008 and is open to everyone who drives a gasoline powered vehicle. Because the most dramatic fuel economy improvement is achieved after first-time use of P.i. in a vehicle with accumulated deposits, the P.i. money-back guarantee is limited to vehicles with a minimum of 25,000 miles that have not previously been treated with P.i. and have not undergone any fuel system or fuel injector cleaning procedure. P.i. must be used with a full tank of gas, and the P.i.-treated gas must be run until the tank is near-empty before filling up again.

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