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5" Stainless Downpipe Back Single With Muffler
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        5" Stainless Downpipe Back Single With Muffler | 2001-2004.5 GM 2500/3500 6.6L DURAMAX (FLO-PRO)

        SKU: 532100

        Upgrade your vehicle with our high-performance exhaust system, expertly crafted from aluminized steel or robust T409 stainless steel for unmatched durability and longevity. Designed for easy installation, this exhaust kit enhances your 2001-2004.5 GM 2500/3500 6.6L Duramax's performance by increasing horsepower, lowering exhaust gas temperatures, and improving airflow. Elevate your ride's capabilities today—order now and experience the difference!

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        Mel’s Manufacturing
        Vehicle Specific
        Check if this part fits your vehicle.
        • Brand: Mel’s Manufacturing
          • 3% off
          $1360.00 save $40.80
        • $1319.20

        This high-performance exhaust system, crafted from premium 16 gauge aluminized steel or T409 stainless steel, ensures durability and longevity in demanding conditions. Designed for effortless installation, it includes clamps, preweld contour bends, and enhanced flanges, making it a top choice for Duramax enthusiasts.

        Experience a significant increase in horsepower alongside lower exhaust gas temperatures and improved airflow. Mel's Manufacturing consistently delivers exceptional performance enhancements that you can actually feel and hear.

        Tailored specifically for 2001-2004.5 GM 2500/3500 6.6L Duramax models, this system features a 4-inch race pipe and contour bent hangers. Elevate your vehicle's capabilities with this premier exhaust solution—order now to transform your driving experience!

          • SKU
            532100
          • Weight
            85 lbs
          • Manufacturer Part #
            SS601
        • 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
        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