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

        SKU: 431018

        Upgrade your ride with our 4" Downpipe Back Single Exhaust System, a high-performance exhaust system crafted from durable aluminized steel construction for long-lasting reliability. Designed for easy installation, this system not only enhances airflow dynamics but also boosts horsepower and reduces exhaust gas temperatures, making it compatible with 2015.5-2016 GM Duramax models. Transform your vehicle's engine performance enhancement today—don't miss out!

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        Mel’s Manufacturing
        Vehicle Specific
        Check if this part fits your vehicle.
        • Brand: Mel’s Manufacturing
          • 3% off
          $1030.00 save $30.90
        • $999.10

        Experience unmatched performance with our 4" Downpipe Back Single Exhaust System, expertly crafted from 16 gauge aluminized steel or T409 stainless steel for durability and reliability.

        This exceptional exhaust system, designed for the 2015.5-2016 GM 2500/3500 6.6L Duramax, features a straightforward installation process with preweld contours and TorcTite clamps, ensuring a perfect fit.

        Enjoy enhancements in horsepower, reduced exhaust gas temperatures, and increased airflow, making it an ideal choice for those seeking to elevate their vehicle's performance during competitive events. Take a step towards industrial-grade engine efficiency today!

          • SKU
            431018
          • Weight
            81 lbs
          • Manufacturer Part #
            871
        • 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
        2016GMCSierra 2500 HD
        2016GMCSierra 3500 HD
        2016ChevroletSilverado 2500 HD
        2016ChevroletSilverado 3500 HD
        2015ChevroletSilverado 2500 HD
        2015ChevroletSilverado 3500 HD
        2015GMCSierra 2500 HD
        2015GMCSierra 3500 HD