5" Aluminized Downpipe Back Dual NO Muffler
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        5" Aluminized Downpipe Back Dual NO Muffler | 2015.5-2016 GM 2500/3500 6.6L DURAMAX (FLO-PRO)

        SKU: 531014

        Transform your diesel truck's power with Mel's high-performance exhaust system, meticulously crafted from durable aluminized steel for unrivaled longevity. Designed for easy installation, this exhaust system enhances horsepower and airflow, delivering a powerful roar while maintaining lowered exhaust gas temperatures during your races. Ideal for your GM 2500/3500 6.6L DURAMAX, it's time to unleash your truck's full potential—upgrade your performance today!

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        Mel’s Manufacturing
        Vehicle Specific
        Check if this part fits your vehicle.
        • Brand: Mel’s Manufacturing
          • 3% off
          $1440.00 save $43.20
        • $1396.80

        Enhance your diesel truck's performance with Mel's high-performance exhaust system, meticulously crafted from high-quality 16 gauge aluminized steel or T409 Stainless. This system not only simplifies installation with preweld contour bends and TorcTite clamps but also provides a remarkable boost in horsepower and airflow. Imagine experiencing lower exhaust gas temperatures and hearing the powerful roar as you accelerate!

        Ideal for non-registered race vehicles competing in closed-course events, this exhaust system features a 4" race pipe and is designed to fit OEM style 3-bolt flanges from the turbo direct pipe. Please note, it is not intended for street or off-road use.

        Don’t miss your chance to transform your GM 2500/3500 6.6L DURAMAX with this exceptional exhaust upgrade—engineered for performance and reliability!

          • SKU
            531014
          • Weight
            120 lbs
          • Manufacturer Part #
            771
        • Material
          Aluminized
        • 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
        2015GMCSierra 2500 HD
        2015GMCSierra 3500 HD
        2015ChevroletSilverado 2500 HD
        2015ChevroletSilverado 3500 HD
        2016GMCSierra 2500 HD
        2016GMCSierra 3500 HD
        2016ChevroletSilverado 2500 HD
        2016ChevroletSilverado 3500 HD