The ThunderMax is a cutting-edge EFI tuning system for Harley-Davidson motorcycles, designed to enhance performance, efficiency, and ride quality. Featuring a self-tuning ECU with wideband O2 sensors, ThunderMax continuously adjusts fuel and air ratios for optimal power and throttle response. Perfect for riders seeking improved performance, reliability, and customization, ThunderMax is compatible with a range of Harley-Davidson models, including Touring, Softail, and Dyna. Engineered for easy installation and user-friendly programming, ThunderMax delivers peak performance for Harley enthusiasts who demand the best.
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