It's easy to mount new Lexus RX 400h fuel treatment to your luxury mid-size crossover. Once in place, exclusive metal alloys in an RX 400h Fitch fuel catalyst add octane to your gas. What that means is your luxury crossover's engine runs more efficiently with this Lexus RX 400h fuel enhancer.
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You gain power and up to a 2.5 MPG increase in gas mileage with your RX 400h fuel octane booster hard at work in your hybrid. You can also buy lower-octane fuel, since the gas section of your hybrid runs better due to our Lexus accessories at AutoAnything.