ECU / Tuning / EFI

About ECU / Tuning / EFI

Shop complete UTV engine management and tuning solutions for Polaris RZR and Can-Am Maverick X3. Compare Acclivity Axiom ECUs, ProEFI systems, supporting electronics and custom big-turbo tuning.

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FastUTV-tuned aRacer ECU packages are $2,369, including three maps. Choose a gasoline-only package, with maps such as 91, 100 and 110 octane, or an E85-only package with three enhanced power maps and boost levels where applicable. Gasoline and E85 cannot be combined in the same package.

FastUTV configures the tuning for your vehicle and fuel choice. Confirm exact fitment, modifications and fuel-system requirements before calibration. Supporting hardware, accessories, installation and dyno time are separate.

Need calibration for an ECU already installed? Explore FastUTV dyno testing and factory or standalone ECU tuning appointments in Corona. Appointment totals list tuning labor and reserved dyno time separately; ECU packages and supporting hardware are separate purchases.