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4" Aluminized Downpipe Back Single NO Muffler
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        4" Aluminized Downpipe Back Single NO Muffler | 2017-2019 GM 2500/3500 6.6L DURAMAX L5P (FLO-PRO)

        SKU: 431022

        Enhance your vehicle's performance with our 4" Aluminized Downpipe Back Single NO Muffler exhaust system, specifically designed for 2017-2019 GM 2500/3500 6.6L DURAMAX L5P models. Crafted from durable aluminized steel, this high-performance exhaust system provides easy installation, reduced exhaust temperatures, and enhanced airflow, allowing you to feel and hear the roar of horsepower. Don't miss out on this opportunity to elevate your automotive adventures—upgrade your ride today!

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        Mel’s Manufacturing
        Vehicle Specific
        Check if this part fits your vehicle.
        • Brand: Mel’s Manufacturing
          • 3% off
          $910.00 save $27.30
        • $882.70

        This high-performance exhaust system, crafted from durable 16 gauge aluminized steel or T409 stainless steel, is engineered for optimal efficiency and longevity. Its design features strategically placed clamps, preweld contour bends, and enhanced flanges that simplify installation, allowing you to easily upgrade your vehicle.

        Experience a significant increase in performance with reduced exhaust temperatures and improved airflow, making it an ideal choice for your 2017-2019 GM 2500/3500 6.6L DURAMAX L5P model. The roar of horsepower is not just something you feel; it’s something you hear.

        Please note that this exhaust system is intended for non-registered race vehicles only. Elevate your automotive adventures with this exceptional upgrade today!

          • SKU
            431022
          • Weight
            67 lbs
          • Manufacturer Part #
            880NM
        • 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
        2017ChevroletSilverado 2500 HD
        2017ChevroletSilverado 3500 HD
        2017GMCSierra 2500 HD
        2017GMCSierra 3500 HD
        2018GMCSierra 2500 HD
        2018GMCSierra 3500 HD
        2018ChevroletSilverado 2500 HD
        2018ChevroletSilverado 3500 HD
        2019ChevroletSilverado 2500 HD
        2019ChevroletSilverado 3500 HD
        2019GMCSierra 2500 HD
        2019GMCSierra 3500 HD