This purchase is for vehicles with supplemental fueling using additional injectors with an external controller.

Auxiliary fueling systems use a secondary controller that requires programming as well as adjusting the factory ECU to accommodate for the additional fuel.

Base map files/Revisions are typically sent out within 1-3 days after the Tuning Request Form/Purchase is received

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Function Factory Performance takes “customer service” very personally. We understand that finding the right parts can be overwhelming. Education and awareness are the principles that keep us ahead of the curve. Let us make this experience simple, easy, and awesome, so without hesitation give us a call at (480) 576-8606, feel free to direct message on our live chat or CLICK HERE to contact us via email.

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