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Stainless Steel Diesel Muffler

Exhaust Parts
Sku: MUF-SS-4
Vehicle Fitment:
Designed to fit a wide array of diesel vehicles, ranging from Cummins to Duramax and Powerstroke.
Regular price
$104.50 USD
Regular price
Sale price
$104.50 USD
Shipping calculated at checkout.
Choose your Muffler Size: 4-Inch
Only 180 items in stock! Out of stock!


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Vendor: Black Bandit


Enhance the sonic signature of your truck while also improving its performance with our Diesel Performance Exhaust Muffler. Available in two models: T409 Unpolished 4 inch Muffler and T304 Polished 5 inch Muffler, you have the power to choose the best fit for your ride.

Vehicle Fitment

Our mufflers are a universally designed to fit a wide array of diesel vehicles, ranging from Cummins to Duramax and Powerstroke. And When Paired with Black Bandit Exhaust Systems that come with pre-bent and pre-welded hangers, installation is a breeze—everything just fits right into place, making it a perfect upgrade for both classic diesel relics and shiny new trucks straight off the lot.

Product Options

    FEATURE 4-Inch 5-inch
    Material T409 Unpolished
    Stainless Steel
    T304 Polished
    Stainless Steel
    Inlet Size 4-inch inner diameter 5-inch inner diameter
    Outlet Size 4-inch inner diameter 5-inch inner diameter
    Overall Length 20.25 Inches 20.25 inches
    Body Length 14 inches 14 inches
    Body Size 7-inch round 8-inch round


    Product Features

    Each of our mufflers boasts an array of features, all designed to deliver superior flow, rich throaty sound, and lifelong protection. Key features include:

    • Straight-through flow path for maximum performance
    • Non-directional design - install whichever way suits your setup
    • Stainless steel construction for lifelong protection
    • Internal stainless steel mesh & fiberglass construction to withstand harsh conditions and advanced technology to absorb unwanted interior resonance.
    • Straight-through design to reduce back pressure and enhance performance 

    Our exhaust systems are expertly crafted from mandrel-bent steel, and are offered in both T304 and T409 Stainless Steel versions, providing one of the most diverse range of options on the market.

    The Black Bandit Diesel Performance Exhaust Muffler is not just a component—it's an upgrade that transforms your drive. Experience the difference today!

    To top off your exhaust system, consider our T304 exhaust tips - the perfect finishing touch to the best sounding exhaust in the industry!


    • Off-Road Use Only: The products sold on this website are intended for off-road use only, and may not be legal for use on public highways where pollution control laws apply.
    • Check Local Laws: Before purchasing and installing any of these parts, please check your local and state laws to confirm whether the modifications are legal in your area.
    • Professional Installation Recommended: These kits and parts are strongly recommended to be installed by professional mechanics only. Improper installation may lead to performance issues or damage to your vehicle. Please note that, unless specified differently on the product page, our parts do not include installation instructions. Our components are intended for individuals with a proficient understanding of mechanical systems and procedures. Like many aftermarket parts compatible with a variety of vehicles, minor adjustments or modifications may be necessary during the installation process. We cannot accept returns or offer refunds on the basis of an inability to complete the installation due to the absence of instructions.
    • Warranty: The use of these parts will void the warranty of your vehicle. Please confirm with your vehicle manufacturer before purchase and installation.
    • No Liability: Tuner Depot is not responsible for any damage or issues that may arise from the use of these parts.
    • Product Images: Product images are for illustrative purposes only and may differ from the actual product due to manufacturer design changes or improvements.
    • No Performance Guarantees: While these parts are designed to enhance the performance of your vehicle, no guarantees are made regarding the specific performance gains that will be achieved.

    Shipping Policy

    At Tuner Depot, we understand the importance of timely delivery when it comes to your performance parts. We are committed to ensuring a seamless shipping experience, striving to dispatch your orders with utmost efficiency and speed.

    Our Shipping Policy: Our aim is to dispatch all orders within two business days, providing you with a quick and efficient processing time. However, please bear in mind that unforeseen circumstances beyond our control may occasionally impact shipping times.

    Factors Affecting Shipping:

    Weather Conditions: While we pride ourselves on our fast and efficient order processing, adverse weather conditions such as rain, snow, or sleet may affect delivery timelines. We assure you that we will make every effort to overcome such challenges and minimize any delays.

    Holiday Periods: Even our dedicated team needs a well-deserved break during holidays. Please note that our shipping center will be closed on such occasions. Rest assured, we will resume shipping promptly on the next business day. During peak holiday seasons, please allow for potential delays, but be assured that we will keep you informed every step of the way and work diligently to deliver your order as swiftly as possible.

    Staff Availability: While we have an exceptional team, we recognize that unforeseen circumstances can occasionally affect our staffing levels. In such cases, we may experience minor delays. However, we want to assure you that we are committed to swiftly resolving any staffing issues and maintaining our high standards of service.

    We genuinely appreciate your understanding and patience during any unexpected obstacles we may encounter along the way. Be assured that we will utilize every resource available to deliver your performance parts to you promptly.

    Thank you for choosing Tuner Depot, where our passion fuels our commitment to outstanding customer service.

    Happy tuning!