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4" Stainless Cat & DPF Race Pipe
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        4" Stainless Cat & DPF Race Pipe | 2011-2015** GM 2500/3500 6.6L DURAMAX (FLO-PRO)

        SKU: 432015

        Transform your vehicle's performance with the 4" Stainless Cat & DPF Race Pipe, designed for 2011-2015 GM 2500/3500 6.6L DURAMAX. This high-performance exhaust system features a durable stainless steel construction for improved air flow and easy installation thanks to preweld contour bends and TorcTite clamps. Elevate your engine's output and enjoy a commanding sound—unlock your racing potential and order your system today!

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        Mel’s Manufacturing
        Vehicle Specific
        Check if this part fits your vehicle.
        • Brand: Mel’s Manufacturing
          • 3% off
          $680.00 save $20.40
        • $659.60

        Transform your vehicle's performance with the 4" Stainless Cat & DPF Race Pipe, specifically engineered for the 2011-2015 GM 2500/3500 6.6L DURAMAX. Constructed from durable 16 gauge aluminized steel or T409 stainless steel, this high-performance exhaust system facilitates straightforward installation through preweld contour bends and TorcTite clamps.

        Unlock impressive performance improvements, featuring reduced EGTs and enhanced airflow dynamics. This system is tailored for non-registered race vehicles, ensuring compliance with closed-course competition standards.

        Elevate your output and relish a commanding engine sound—select the system designed for peak efficiency and drive your ambitions forward today!

          • SKU
            432015
          • Weight
            32 lbs
          • Manufacturer Part #
            SS862
        • 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
        2011GMCSierra 2500 HD
        2011GMCSierra 3500 HD
        2011ChevroletSilverado 2500 HD
        2011ChevroletSilverado 3500 HD
        2012GMCSierra 2500 HD
        2012GMCSierra 3500 HD
        2012ChevroletSilverado 2500 HD
        2012ChevroletSilverado 3500 HD
        2013GMCSierra 2500 HD
        2013GMCSierra 3500 HD
        2013ChevroletSilverado 2500 HD
        2013ChevroletSilverado 3500 HD
        2014GMCSierra 2500 HD
        2014GMCSierra 3500 HD
        2014ChevroletSilverado 2500 HD
        2014ChevroletSilverado 3500 HD
        2015GMCSierra 2500 HD
        2015GMCSierra 3500 HD
        2015ChevroletSilverado 2500 HD
        2015ChevroletSilverado 3500 HD