

Custom tunes for your truck modifications. You can choose standard custom tunes to have the chip programmed with our injector tunes. If you have larger injectors and only need tuning for injectors, this is the option you want.
You can also choose Gearhead custom tunes. These tunes are custom written for you truck. The tunes can be written for larger injectors, aftermarket transmission modifications, custom shift point, or any other modifications to the oil or fuel system. If you want Gearhead tunes you must choose that option from the drop down menu & fill out custom tune box request with your tune request.
You will get a chip programmed with 6 positions. The typical programs include usually stock, heavy tow, light tow, daily performance economy, hot street performance and extreme. A plug in performance chip plugs into the PCM and re-calibrates the programming for more fuel and optimized fuel delivery. Increases timing and shifting parameters to give you the optimal performance for your application. Programmed with custom modified programs for a modified truck.
*If you have a California emissions equipped pickup, we will need your PCM code.
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