HFX4-B Hybrid System includes professional installation and improves fuel mileage by 25% or more while reducing harmful emissions. One year warranty and a 30 day satisfaction guarantee!

HFX4-B Hybrid System

$ 499.95

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HFX4-E Extra Perormance Hybrid System includes professional installation and improves fuel mileage by 25% or more while reducing harmful emissions.  Satisfaction guaranteed!

HFX4-E Hybrid System

$ 599.95

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All models come complete with everything needed for a professional installation.  Satisfaction is guaranteed!  If for any reason you are unhappy with your purchase simply return it to the place of purchase within 30 days for a full refund of your purchase price (less shipping & installation). Color and style may vary.

The HFX4-S is for Semi Truck, High Performance and Large Engine applications.  Our Model S provides increased output required by 8L and above engines.  All installation and materials are included.

HFX4-S Hybrid System

$ 1499.95

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