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    M278 ECU Upgrade


    Availability: In stock


    M278 ECU Upgrade

    540 Horsepower, 715 Ft-Lbs Torque!

    As an industry leader in tuning and calibration, Weistec Engineering is proud to introduce the much anticipated ECU tune for the bi-turbo M278 vehicle lineup. After months of painstaking dyno and road tuning, we are proud to introduce the most powerful ECU upgrade ever released for the M278 engine. Fully developed in house, our ECU tune has surpassed the 540 horsepower mark on a completely stock vehicle with no other modifications.

    CARB EO# D-691-1

    With a keen understanding for optimal running conditions for the M278, we have revised many features of the factory ECU programming which creates an astounding 540 horsepower and 715 torque at the engine on California pump 91 octane all while being street legal.

    ECU Tuning Process: How do I get my ECU tuned?

    Key Features:

    • 540 Horsepower

    • 715 Ft-Lbs Torque

    • Eliminate Top Speed Limiter

    • Increased Throttle Response

    • Optimized Boost, Fuel and Spark

    PDF Filem157-m278_ecu_removal_1 (381.4 KB)Download


    This policy only applies to installers and/or users who are in the United States, customers who reside in other countries should act in accordance with their local laws and regulations.
    Some Weistec Engineering performance upgrades may solely be used on vehicles in sanctioned competition which may never be used upon a public road or highway, unless permitted by specific regulatory exemptions (such as a CARB E.O.). For state specific details please visit the following website.
    It is the responsibility of the installer and/or user of the product to ensure that it is used in compliance with all applicable laws and regulations. If a product was purchased in error, do not install and/or use it. The purchaser must arrange to return the product(s) for a full refund.
    All performance modifications and installations are at the customer’s own risk. Weistec Engineering holds no responsibility either implied or otherwise for mechanical, electrical or other failure when using any aftermarket performance products.


    WARNING: Cancer and Reproductive Harm