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ThunderMax with AutoTune. Fits Softail 2018-2020.

Category : AIR / FUEL


M8 engines – Does NOT fit 2021 Models

* A 3 Year Limited Warranty covers the Thundermax ECU and the Autotune module against defects in materials or workmanship from the date of purchase by the ORIGINAL consumer for a period of 3 years.

* If the product fails under normal use due to an electronic component failure within the warranty period, then the item must be returned direct to Zippers for testing and assesment. Zippers will repair or replace at their discretion the defect ive item with a new, repaired or factory rebuilt replacement.

* There is NO warranty on the OXYGEN SENSORS!

* This product must ONLY be used in such a way as to ensure the vehicle remains compliant with the relevant emission control requirements.

* Responsibility rests with the installer to ensure appropriate test equipment is used to validate the above.

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