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    M274 ECU Upgrade

    sku:M274 ECU Upgrade

    Availability: In stock

    $599.99

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    $599.99

    M274 ECU Upgrade

    [ POWER FIGURES REFLECT ECU TUNE PLUS DOWNPIPE ]

    The Weistec M274 ECU upgrade for the 2015+ C300 provides gains across the entire powerband resulting a vehicle that is more fun to drive in all driving situations.  The M274 ECU upgrade can be paired with our M274 Downpipe for further improved response and exhaust note  

     

    *Power gains vary based on model and modifications.

    *Product may not be emissions compliant.  Check local laws prior to installation. 

     

    KEY FEATURES:

    - Increased HP and Torque

    - Improved Throttle Response

    - Optimized Fuel and Spark

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    NOT LEGAL FOR SALE OR USE ON POLLUTION CONTROLLED MOTOR VEHICLES

    Weistec Engineering performance upgrades may be used solely on vehicles used in sanctioned competition which may never be used upon a public road or highway, unless permitted by specific regulatory exemptions. For state specific details please visit the following website. http://www.semasan.com/emissions
    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.
    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.
    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.