Don Performance is a German motorcycle performance and ECU tuning company best known for its work on Harley-Davidson motorcycles.
Founded in 2015 in Bremen by Andreas Taphorn (“Don”), the company focuses on developing engine tuning solutions and software designed to improve performance, torque, and rideability. They are especially recognized for their Don-Tuner system, a cloud-based ECU mapping tool used by authorized dealers to optimize Harley-Davidson engines with different exhaust, intake, and engine configurations.
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