Big gain in performance and response with our 2019-2023 Kawasaki KX450 with the Vortex ECU from Dynamic Racing. This ECU comes pre-loaded with 10 "BASE" maps and includes detailed instructions and mapping guidelines to help you set it up and tune to your riding style. Brand new in the box, it’s ready to ship from our race shop. We only list items that are physically available in our shop, so you can trust quick, reliable delivery. As a leading reseller of Vortex ECUs, we also offer support services such as technical assistance, reprogramming, custom mapping, and in-house dyno tuning by appointment. All ECU's Ship in 1-3 Days. If you need something urgent please message us! Disclaimer for Off-Road Racing Parts Intended Use: Products listed by Dynamic are designed exclusively for off-road racing applications and are not intended for use on public roads or standard vehicles. Warranty and Liability: Due to the high-performance nature of these items, there is no warranty or guarantee of performance, and Dynamic reserves the right to approve or deny any warranty claims. Dynamic does not accept liability for any damage, failure, or issues caused by improper installation, misuse, or other variables affecting performance. Return Policy: Returns may be allowed solely at the discretion of Dynamic. Please note that all electronic parts or items that use electrical power are subject to a STRICT no return policy. Risk Awareness: By purchasing these products, buyers acknowledge and accept the inherent risks associated with off-road racing and understand that various factors can contribute to performance and durability. Product Condition: It is the buyer's responsibility to inspect all products upon receipt and to ensure proper fitment and installation. Consulting with a professional mechanic for installation is recommended.