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4" Aluminized Downpipe Back Single Without Muffler
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        4" Aluminized Downpipe Back Single Without Muffler | 2008-2010 Ford 6.4L F250/F350 Powerstroke (FLO-PRO)

        SKU: 421007

        Upgrade your 2008-2010 Ford 6.4L F250/F350 Powerstroke with this high-performance 4-inch downpipe back exhaust system, crafted from durable aluminized steel for long-lasting reliability. Enjoy significant gains in horsepower and enhanced airflow, while reducing exhaust gas temperatures (EGTs), ultimately transforming your truck into a powerhouse perfect for closed-course competition use. Don't wait to elevate your driving experience—invest in this essential upgrade and feel the roar of true power today!

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        Mel’s Manufacturing
        Vehicle Specific
        Check if this part fits your vehicle.
        • Brand: Mel’s Manufacturing
          • 3% off
          $780.00 save $23.40
        • $756.60

        This high-performance 4-inch downpipe back exhaust system is expertly crafted from robust aluminized steel, designed specifically for the 2008-2010 Ford 6.4L F250/F350 Powerstroke models. Engineered for straightforward installation, it comes equipped with necessary clamps and contour bends for a seamless fit.

        Experience significant gains in horsepower, enhanced airflow, and reduced exhaust gas temperatures (EGTs) which combine to elevate your driving experience. Mel’s Manufacturing ensures you enjoy the roar that signifies true power, all while adhering to the latest racing standards.

        Transform your truck into a powerhouse by choosing this efficient exhaust upgrade, specializing in closed-course competition applications. Please note that aftermarket tuning is essential for optimal performance.

          • SKU
            421007
          • Weight
            65 lbs
          • Manufacturer Part #
            833NB
        • 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
        2008FordF-250 Super Duty
        2008FordF-350 Super Duty
        2009FordF-250 Super Duty
        2009FordF-350 Super Duty
        2010FordF-250 Super Duty
        2010FordF-350 Super Duty