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4" Aluminized Downpipe Back Single NO Muffler
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        4" Aluminized Downpipe Back Single NO Muffler | 2007.5-2010 GM 2500/3500 6.6L DURAMAX Aluminized Without Muffler (FLO-PRO)

        SKU: 431011

        Unleash the true power of your GM 2500/3500 6.6L DURAMAX with our advanced 4-inch downpipe back exhaust system, meticulously crafted from durable 16 gauge aluminized steel or premium T409 Stainless. This high-performance exhaust system is designed to maximize airflow with its preweld contour bends, ensuring a significant increase in horsepower and aggressive sound profile, all while being easy to install with the included clamps. Elevate your racing experience and transform your vehicle’s performance — order now and feel the difference!

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        Mel’s Manufacturing
        Vehicle Specific
        Check if this part fits your vehicle.
        • Brand: Mel’s Manufacturing
          • 3% off
          $760.00 save $22.80
        • $737.20

        This advanced 4-inch downpipe back exhaust system is meticulously constructed from robust 16 gauge aluminized steel or T409 Stainless, promoting sustained performance and resistance to corrosion. Designed to maximize airflow, this unit features preweld contour bends and comes with essential clamps for simple installation, making it an excellent choice for enthusiasts aiming for enhanced power output.

        When you install Mel's system, you will witness a remarkable increase in horsepower, reduced exhaust gas temperatures, and an aggressive sound profile during acceleration. This exhaust solution is tailored for non-registered race vehicles participating in closed-course competitions.

        Achieve the maximum capability of your GM 2500/3500 6.6L DURAMAX by choosing this outstanding exhaust system. Transform your vehicle's performance and maintenance routine today!

          • SKU
            431011
          • Weight
            65 lbs
          • Manufacturer Part #
            834NM
        • 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
        2007GMCSierra 2500 HD
        2007GMCSierra 3500 HD
        2007ChevroletSilverado 2500 HD
        2007ChevroletSilverado 3500 HD
        2008ChevroletSilverado 2500 HD
        2008ChevroletSilverado 3500 HD
        2008GMCSierra 2500 HD
        2008GMCSierra 3500 HD
        2009GMCSierra 3500 HD
        2009GMCSierra 2500 HD
        2009ChevroletSilverado 2500 HD
        2009ChevroletSilverado 3500 HD
        2010GMCSierra 2500 HD
        2010GMCSierra 3500 HD
        2010ChevroletSilverado 2500 HD
        2010ChevroletSilverado 3500 HD