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5" Aluminized Downpipe Back Single With Muffler
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        5" Aluminized Downpipe Back Single With Muffler | 2015.5-2016** GM 2500/3500 6.6L DURAMAX (FLO-PRO)

        SKU: 531007

        Upgrade your 2015.5-2016 GM 2500/3500 with a 6.6L Duramax engine using this high-performance exhaust system, crafted from durable 16 gauge aluminized steel or T409 stainless steel for lasting quality. Enjoy enhanced horsepower, reduced exhaust gas temperatures, and improved air flow with this straightforward installation kit that comes complete with reliable flanges and clamps. Don't miss your chance to experience the roar of true race performance—order your Mel's Manufacturing downpipe back single with muffler today!

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        Mel’s Manufacturing
        Vehicle Specific
        Check if this part fits your vehicle.
        • Brand: Mel’s Manufacturing
          • 3% off
          $1110.00 save $33.30
        • $1076.70

        Crafted from either robust 16 gauge aluminized steel or T409 stainless steel, this exhaust system is engineered for optimal performance enhancement. Featuring specific contour bends and reliable flanges, it ensures straightforward installation with the included clamps.

        Experience a significant increase in horsepower, lower exhaust gas temperatures (EGTs), and improved air flow, making it an essential upgrade for your 2015.5-2016 GM 2500/3500 with a 6.6L Duramax engine. Mel's Manufacturing has perfected this system to deliver a performance upgrade that you can actually hear and feel.

        Designed for competitive racing, this kit is intended solely for non-registered vehicles operating in a closed-course environment. Don't miss the opportunity to elevate your performance—get yours today!

          • SKU
            531007
          • Weight
            88 lbs
          • Manufacturer Part #
            671
        • 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
        2015ChevroletSilverado 2500 HD
        2015ChevroletSilverado 3500 HD
        2015GMCSierra 2500 HD
        2015GMCSierra 3500 HD
        2016ChevroletSilverado 2500 HD
        2016ChevroletSilverado 3500 HD
        2016GMCSierra 2500 HD
        2016GMCSierra 3500 HD