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5" Aluminized Downpipe Back Single With Muffler
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        5" Aluminized Downpipe Back Single With Muffler | 2011-2015.5** GM 2500/3500 6.6L DURAMAX (FLO-PRO)

        SKU: 531005

        Unlock the true potential of your 2011-2015.5 GM 2500/3500 6.6L DURAMAX with our 5" Aluminized Downpipe Back Single With Muffler, designed to enhance horsepower and improve airflow. This high-performance exhaust system, crafted from durable aluminized steel, guarantees easy installation with included clamps and upgraded flanges for a perfect fit. Don't settle for mediocrity—experience the exhilarating sound and efficiency of your engine today; elevate your performance on the track with Mel’s exceptional exhaust system!

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        Mel’s Manufacturing
        Vehicle Specific
        Check if this part fits your vehicle.
        • Brand: Mel’s Manufacturing
          • 3% off
          $1200.00 save $36.00
        • $1164.00

        Engineered from durable 16 gauge aluminized steel or T409 stainless, this advanced exhaust system is specifically designed for optimal performance in the 2011-2015.5 GM 2500/3500 6.6L DURAMAX models. Enjoy effortless installation thanks to its included clamps, contour-bent hangers, and upgraded flanges, all contributing to a seamless fit.

        Experience a significant enhancement in horsepower, amplified airflow, and reduced exhaust gas temperatures, making this system a perfect choice for race enthusiasts. Tailored exclusively for non-registered racing environments, this exhaust delivers an exhilarating sonic signature that you can feel as well as hear.

        Elevate your engine's capabilities today with Mel’s high-performance exhaust system and make your vehicle stand out on the track!

          • SKU
            531005
          • Weight
            81 lbs
          • Manufacturer Part #
            664
        • 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
        2011ChevroletSilverado 2500 HD
        2011ChevroletSilverado 3500 HD
        2011GMCSierra 2500 HD
        2011GMCSierra 3500 HD
        2012ChevroletSilverado 2500 HD
        2012ChevroletSilverado 3500 HD
        2012GMCSierra 2500 HD
        2012GMCSierra 3500 HD
        2013ChevroletSilverado 2500 HD
        2013ChevroletSilverado 3500 HD
        2013GMCSierra 2500 HD
        2013GMCSierra 3500 HD
        2014ChevroletSilverado 2500 HD
        2014ChevroletSilverado 3500 HD
        2014GMCSierra 2500 HD
        2014GMCSierra 3500 HD
        2015ChevroletSilverado 2500 HD
        2015ChevroletSilverado 3500 HD
        2015GMCSierra 2500 HD
        2015GMCSierra 3500 HD