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4" Stainless Cat & DPF Race Pipes
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        4" Stainless Cat & DPF Race Pipes | 2017-2023** GM 2500/3500 6.6L DURAMAX L5P (FLO-PRO)

        SKU: 432023

        Unlock your vehicle's potential with our 4" Stainless Cat & DPF Race Pipes, crafted from premium 16 gauge aluminized steel or T409 Stainless for unmatched durability. Enjoy an impressive boost in horsepower, reduced exhaust gas temperatures, and enhanced airflow, all while ensuring easy installation with OEM compatibility. Perfect for 2017-2023 GM 2500/3500 6.6L DURAMAX L5P models, this high-performance exhaust system is essential for racing enthusiasts and off-road adventurers alike. Don’t wait—elevate your ride's performance today!

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        Mel’s Manufacturing
        Vehicle Specific
        Check if this part fits your vehicle.
        • Brand: Mel’s Manufacturing
          • 3% off
          $720.00 save $21.60
        • $698.40

        Engineered from premium 16 gauge aluminized steel or T409 Stainless, this high-performance exhaust system offers seamless installation with the provided clamps, contour bends, and robust flanges.

        Experience a remarkable increase in horsepower, reduced exhaust gas temperatures, and enhanced airflow with the innovative design of Mel's system. Its installation features ensure compatibility with OEM specifications, making it an ideal solution for both racing enthusiasts and off-road adventures.

        Designed exclusively for the 2017-2023 GM 2500/3500 6.6L DURAMAX L5P, this exhaust system is a must-have for anyone looking to elevate their vehicle's performance. Get yours today and unleash the power!

          • SKU
            432023
          • Weight
            34 lbs
          • Manufacturer Part #
            SS882
        • 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
        2017GMCSierra 2500 HD
        2017GMCSierra 3500 HD
        2017ChevroletSilverado 2500 HD
        2017ChevroletSilverado 3500 HD
        2018GMCSierra 2500 HD
        2018GMCSierra 3500 HD
        2018ChevroletSilverado 2500 HD
        2018ChevroletSilverado 3500 HD
        2019GMCSierra 2500 HD
        2019GMCSierra 3500 HD
        2019ChevroletSilverado 2500 HD
        2019ChevroletSilverado 3500 HD
        2020GMCSierra 2500 HD
        2020GMCSierra 3500 HD
        2020ChevroletSilverado 2500 HD
        2020ChevroletSilverado 3500 HD
        2021GMCSierra 2500 HD
        2021GMCSierra 3500 HD
        2021ChevroletSilverado 2500 HD
        2021ChevroletSilverado 3500 HD
        2022GMCSierra 2500 HD
        2022GMCSierra 3500 HD
        2022ChevroletSilverado 2500 HD
        2022ChevroletSilverado 3500 HD
        2023GMCSierra 2500 HD
        2023GMCSierra 3500 HD
        2023ChevroletSilverado 2500 HD
        2023ChevroletSilverado 3500 HD