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4" Aluminized Downpipe Back Single
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        4" Aluminized Downpipe Back Single | 2001-2004.5 GM 2500/3500 6.6L DURAMAX (FLO-PRO)

        SKU: 431107

        Elevate your ride with our 4" Aluminized Downpipe Back Single exhaust system, crafted from durable 16 gauge aluminized steel or T409 stainless for outstanding longevity. Experience high performance with this DURAMAX compatible exhaust, designed for easy installation and enhanced airflow performance, making it perfect for race vehicle components. Unleash the power of your truck and feel the increase in horsepower—transform your driving experience today!

        0.0
        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

        Engineered from robust 16 gauge aluminized steel or T409 stainless, this exhaust system is a hallmark of performance and durability.

        Designed with precision, it features contour bends, improved flanges, and TorcTite clamps for effortless installation, making it an ideal choice for enthusiasts seeking enhanced airflow and reduced exhaust gas temperatures.

        Transform your vehicle's capabilities with a remarkable boost in horsepower you can experience, specifically tailored for non-registered race vehicles.

          • SKU
            431107
          • Weight
            76 lbs
          • Manufacturer Part #
            801
        • 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
        2001GMCSierra 2500
        2001GMCSierra 3500 HD
        2001GMCSierra 2500 HD
        2001ChevroletSilverado 2500
        2001ChevroletSilverado 3500 HD
        2001ChevroletSilverado 2500 HD
        2002GMCSierra 2500
        2002GMCSierra 3500 HD
        2002GMCSierra 2500 HD
        2002ChevroletSilverado 2500
        2002ChevroletSilverado 3500 HD
        2002ChevroletSilverado 2500 HD
        2003GMCSierra 2500
        2003GMCSierra 3500 HD
        2003GMCSierra 2500 HD
        2003ChevroletSilverado 2500
        2003ChevroletSilverado 3500 HD
        2003ChevroletSilverado 2500 HD
        2004GMCSierra 2500
        2004GMCSierra 3500 HD
        2004GMCSierra 2500 HD
        2004ChevroletSilverado 2500
        2004ChevroletSilverado 3500 HD
        2004ChevroletSilverado 2500 HD