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WSRD is proud to release an industry first; the tuning solution for your stock 2026 Defender HD11!
Please note that this is an ECU Flash Service, your ECU will need to be sent to the WSRD HQ. This service, much like our Can-Am X3 and Maverick R MG1 Unlock & Flash, will take 5 business days to process.
ECU Shipping Details:
Please ship your stock ECU to the following address;
Whalen's Speed R&D
161 Commercial Avenue
Paw Paw, Michigan 49079
(Please print off your order confirmation email and include with your ECU.)
What's Included?
Power Output:
Tune Features: