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

        SKU: 532008

        Transform your 2015.5-2016 GM 2500/3500 6.6L DURAMAX with the high-performance exhaust system from Mel's. Crafted from industrial-grade materials, this 5" Stainless Downpipe Back Single NO Muffler delivers optimized airflow, boosting horsepower and enhancing installation ease with preweld contour bends and TorcTite clamps. Experience a deeper tonal resonance and reduced exhaust gas temperatures, making it the perfect choice for closed-course racing enthusiasts. Elevate 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
          $1480.00 save $44.40
        • $1435.60

        The Mel's 5" Stainless Downpipe Back Single NO Muffler system is meticulously engineered for high-performance enthusiasts eager to elevate their 2015.5-2016 GM 2500/3500 6.6L DURAMAX. Crafted from robust 16 gauge aluminized steel or T409 stainless steel, this exhaust system delivers optimized airflow and a remarkable boost in horsepower. Installation is hassle-free, thanks to preweld contour bends, TorcTite clamps, and OEM style flanges, making it a dependable choice for your Duramax truck.

        Feel the transformation in power, appreciate reduced exhaust gas temperatures, and enjoy a deeper tonal resonance that embodies true performance. Designed primarily for closed-course racing, this product adheres to race-compliance standards and caters to those who pursue competitive excellence.

        Enhance your build today and experience the dynamic performance that Mel's trusted engineering provides.

          • SKU
            532008
          • Weight
            84 lbs
          • Manufacturer Part #
            SS671NM
        • 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