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5" Aluminized Downpipe Back Duals NO Muffler
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        5" Aluminized Downpipe Back Duals NO Muffler | 2011-2015 GM 2500/3500 6.6L DURAMAX (FLO-PRO)

        SKU: 531013

        Elevate your vehicle's performance with the 5" Aluminized Downpipe Back Duals, specifically engineered for the 2011-2015 GM 2500/3500 6.6L DURAMAX. Featuring a robust aluminized steel construction and advanced airflow design, this high-performance exhaust system enhances horsepower while lowering exhaust gas temperatures for optimized efficiency. With easy installation components included, it’s the perfect upgrade for closed-course competition enthusiasts—unleash your true power today!

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        Mel’s Manufacturing
        Vehicle Specific
        Check if this part fits your vehicle.
        • Brand: Mel’s Manufacturing
          • 3% off
          $1520.00 save $45.60
        • $1474.40

        Elevate your vehicle's performance with the 5" Aluminized Downpipe Back Duals specifically engineered for the 2011-2015 GM 2500/3500 6.6L DURAMAX. Crafted from sturdy 16 gauge aluminized steel or durable T409 stainless, this exhaust system guarantees durability and enhanced efficiency.

        Experience a remarkable increase in horsepower thanks to advanced features that prioritize airflow and performance. The kit comes complete with essential components for a straightforward installation, including TorcTite clamps and contour bent hangers, ensuring a perfect OEM-style fit.

        Ideal for closed-course competition vehicles, this system focuses on flow and lowers exhaust gas temperatures. Unleash the power you desire and enhance your driving experience today!

          • SKU
            531013
          • Weight
            115 lbs
          • Manufacturer Part #
            764
        • Material
          Aluminized
        • Muffler
          Without Muffler
        • Brand
          Mel’s Manufacturing
        • Manufacturer
          Mel's Manufacturing
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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
        2011ChevroletSilverado 2500 HD
        2011ChevroletSilverado 3500 HD
        2011GMCSierra 2500 HD
        2011GMCSierra 3500 HD
        2012ChevroletSilverado 2500 HD
        2012ChevroletSilverado 3500 HD
        2012GMCSierra 2500 HD
        2012GMCSierra 3500 HD
        2013ChevroletSilverado 2500 HD
        2013ChevroletSilverado 3500 HD
        2013GMCSierra 2500 HD
        2013GMCSierra 3500 HD
        2014ChevroletSilverado 2500 HD
        2014ChevroletSilverado 3500 HD
        2014GMCSierra 2500 HD
        2014GMCSierra 3500 HD
        2015ChevroletSilverado 2500 HD
        2015ChevroletSilverado 3500 HD
        2015GMCSierra 2500 HD
        2015GMCSierra 3500 HD