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5" Aluminized Downpipe Back Single NO Muffler
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        5" Aluminized Downpipe Back Single NO Muffler | 2007.5-2010 GM 2500/3500 6.6L DURAMAX (FLO-PRO)

        SKU: 531002

        Elevate your vehicle with the 5" Aluminized Downpipe Back Single NO Muffler, designed exclusively for the 2007.5-2010 GM 2500/3500 6.6L DURAMAX. Crafted from durable aluminized steel components, this high-flow downpipe enhances performance exhaust systems by significantly boosting airflow and lowering exhaust gas temperatures. Experience unmatched engine performance enhancement today—upgrade your Duramax diesel and feel the power on your next drive!

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        Mel’s Manufacturing
        Vehicle Specific
        Check if this part fits your vehicle.
        • Brand: Mel’s Manufacturing
          • 3% off
          $1050.00 save $31.50
        • $1018.50

        This innovative 5" Aluminized Downpipe Back Single NO Muffler, specifically designed for the 2007.5-2010 GM 2500/3500 6.6L DURAMAX, delivers exceptional enhancements to your vehicle’s exhaust system.

        Fabricated from 16 gauge aluminized steel or T409 stainless steel, this high-flow downpipe significantly boosts engine performance while ensuring easy installation with preweld contour bends and robust clamps.

        Transform your driving experience with amplified airflow and reduced exhaust gas temperatures, making this product an essential choice for racing enthusiasts looking to extract maximum horsepower.

          • SKU
            531002
          • Weight
            77 lbs
          • Manufacturer Part #
            634NM
        • Material
          Aluminized, Stainless
        • Muffler
          With 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
        2007ChevroletSilverado 2500 HD
        2007ChevroletSilverado 3500 HD
        2007GMCSierra 2500 HD
        2007GMCSierra 3500 HD
        2008ChevroletSilverado 2500 HD
        2008ChevroletSilverado 3500 HD
        2008GMCSierra 2500 HD
        2008GMCSierra 3500 HD
        2009ChevroletSilverado 2500 HD
        2009ChevroletSilverado 3500 HD
        2009GMCSierra 2500 HD
        2009GMCSierra 3500 HD
        2010ChevroletSilverado 2500 HD
        2010ChevroletSilverado 3500 HD
        2010GMCSierra 2500 HD
        2010GMCSierra 3500 HD