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        Heavy Tow Tune Only for EFI Hardware Duramax LB7 (2001-2004)

        SKU: MO-111001000600

        Enhance your towing capabilities with our Heavy Tow Tune, meticulously crafted for the 2001-2004 Chevy Silverado and GMC Sierra featuring the Duramax LB7 engine. This ECU tuning solution utilizes EFI Live AutoCal v3 to elevate your Duramax LB7 performance, ensuring optimal engine efficiency for an extraordinary towing experience. Don't miss out on maximizing your vehicle's potential—upgrade today and conquer your towing challenges!

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        Motor Ops Products
        Vehicle Specific
        Check if this part fits your vehicle.
        • Brand: Motor Ops Products
        • + $620.00
        • $449.99

        Enhance your towing capabilities with our Heavy Tow Tune designed specifically for the 2001-2004 Chevy Silverado and GMC Sierra models featuring the Duramax LB7 engine.

        This software upgrade leverages the EFI Live AutoCal v3 to ensure optimal performance, transforming your vehicle into a powerful towing machine.

        Choose from flexible subscription options that offer extensive ECU tuning features tailored to your driving needs, enabling you to maximize engine efficiency and improve overall towing experience.

          • SKU
            MO-111001000600
        • Brand
          Motor Ops Products
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        Shipping Times

        Most customers will see their parts within 3-5 business days. We will primarily ship with Purolator ground & DHL Express to ensure the fastest shipping possible.

        Please Note: These are only estimates and shipping time may vary depending on your location, out of country and rural locations expect longer wait times.

        Where Do We Ship 

        We will ship our products within Canada and the United States.

        Please Note: There are limitations what can be shipped to the United States.

        Damaged Shipments

        We provide the option to purchase insurance as we are not responsible for any damage while with a courier, we don’t often see issues, but it does happen. If you purchased insurance we will put in a claim, if no insurance was purchased there will be no refunds or exchanges.

        We accept the following payment methods:


        Return Policy

        It happens sometimes we would like to return it. Here are our return rules:

        • Prior to any return you must contact us and get an approval for a  RMA number
        • Product must be unopened and have no damage. 
        • You must pay for the shipping back, please insure so if anything happens you can make a claim, we are not responsible for damage during shipping and is the sole responsibility of the customer.
        • Regular products are subject to a 5% Restocking fee.
        • Items over 50 lbs. or special orders will be subject to a 20% Restocking fee.
        • Electronics & Tuning is a final sale and cannot be returned. 
        • Fitment Type
          Vehicle Specific
        YearMakeModelNotes
        2001ChevroletSilverado 2500 HD
        2001ChevroletSilverado 3500 HD
        2001GMCSierra 2500 HD
        2001GMCSierra 3500 HD
        2002ChevroletSilverado 2500 HD
        2002ChevroletSilverado 3500 HD
        2002GMCSierra 2500 HD
        2002GMCSierra 3500 HD
        2003ChevroletSilverado 2500 HD
        2003ChevroletSilverado 3500 HD
        2003GMCSierra 2500 HD
        2003GMCSierra 3500 HD
        2004ChevroletSilverado 2500 HD
        2004ChevroletSilverado 3500 HD
        2004GMCSierra 2500 HD
        2004GMCSierra 3500 HD