Former President Bill Clinton received a "Presidential Edition" of this compact crossover. Make an executive decision and include Mercury Mariner fuel treatment in your 5-door SUV. Adding your Mariner Fitch fuel catalyst is as easy as installing a fuel filter, since it uses quick-release gas line fittings.
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Best of all, you're rig averages a 2 MPG increase in gas mileage with a new Mercury Mariner fuel enhancer. A distinctive metal alloy in your Mariner fuel octane booster adds octane to your fuel while on its way to your engine. So, there's more horsepower and torque to burn by your crossover due to our Mercury accessories.