WSRD Big Injector MG1 ECU Unlock & DCT Transmission Tuning | 2025-2026 Maverick R - 4 Seat (274-355HP)
WSRD Big Injector MG1 ECU Unlock & DCT Transmission Tuning | 2025-2026 Maverick R - 4 Seat (274-355HP) - Client Supplied ECU (5 Business Day Lead-Time) / E85 | ECU Flash ONLY / No Thanks | ECU Flash ONLY is backordered and will ship as soon as it is back in stock.
Confirm vehicle fitment
Confirm vehicle fitment
Confirm fitment before ordering. Match the year, make, model, trim, engine, drivetrain and selected options shown on this page. If any detail is unclear, search your exact vehicle or contact us before checkout.
Shipping expectations
Shipping expectations
Availability and processing time can vary by manufacturer. Available shipping choices and charges appear at checkout. Tracking is emailed after shipment. Oversized, special-order and supplier-shipped items can require additional processing time.
Returns and cancellations
Returns and cancellations
Please review eligibility before purchase. Installed, used, electronic, custom, special-order and clearance items may have return restrictions. Contact us promptly if you need to change or cancel an order.
What’s included
What’s included
The product description and selected variant determine what is included. Items shown in lifestyle or installation photos are not included unless they are specifically listed in the description.
WSRD Big Injector MG1 ECU Unlock & DCT Transmission Tuning | 20...
WSRD Big Injector MG1 ECU Unlock & DCT Transmission Tuning | 2025-2026 Maverick R - 4 Seat (274-355HP) - Client Supplied ECU (5 Business Day Lead-Time) / E85 | ECU Flash ONLY / No Thanks | ECU Flash ONLY is backordered and will ship as soon as it is back in stock.
Buy with confidence
Verify fitment, selected options, availability and included components before checkout. Secure payment options and order confirmation are provided at checkout.
Description
Description
Please ship your 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. This printed order confirmation will be used to seamlessly push your ECU through our unlock process, and avoid any confusion on who the ECU is for or what fuel type flash is being requested.)
ECU Flash Type(s);
- When selecting "ECU Exchange (WSRD Dealer Install)" this process includes a new to the machine ECU and will require additional WSRD Installer Services. Please contact your local WSRD Dealer or Whalen's Speed directly before purchase.
- When selecting "Client Supplied ECU", once your supplied ECU has been received, WSRD will proceed with our MG1 Unlock Services and this will be associated with a 5 business day lead-time. The service will be handled between the end user and WSRD directly as a returned plug and play solution.
Acceptable Fuel Types;
- 91 Octane | Premium 91 Octane - 10% Ethanol (90/91 Octane Rec fuels can be used)
- 93 Octane | Premium 93 Octane - 10% Ethanol (91/Race Gas blends are acceptable)
- 100 Octane | VP UTV96 or Sunoco 100
- 110 Octane | VP MS109 or Sunoco 110
- E85 | One Ethanol S, Ignite Orange, VP C85 or Gas Station E85 (E85 must test at a minimum of 70% ethanol content - E70. Please use the supplied tester before use.)
Payment & Security
Payment methods
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