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  • M085171 Donaldson Muffler- Style 1
  • Diagram of muffler type

    • M085171 Donaldson Muffler- Style 1

    Donaldson Exhaust

    $240.42
    (4 reviews) Write a Review
    SKU:
    M085171
    UPC:
    742330004944
    Shipping:
    Calculated at Checkout
    INLET SIZE:
    4"
    OUTLET SIZE:
    4"
    BODY DIAMETER:
    8.46"
    BODY LENGTH:
    34.12"
    INLET:
    END
    OUTLET:
    END
    BODY SHAPE:
    ROUND
    STYLE:
    1
    Adding to cart… category.add_cart_announcement

    Product Description

    M085171 Donaldson MUFFLER REPLACEMENT FOR NAVISTAR 998025C1

    Exhaust Mufflers Product Attributes
    Inlet Diameter: 4.00 Inches (101.60 MM)
    Outlet Diameter: 4.00 Inches (101.60 MM)
    Body Diameter: 8.50 Inches (215.90 MM)
    Body Length: 34.37 Inches (873.00 MM)
    Overall Length: 40.00 Inches (1016.00 MM)
    Rated Flow LR: 1800.00 CFM (50.94 CMM)
    Rated Flow MR: 2546.00 CFM (72.0518 CMM)
    Rated Flow HR: 3119.00 CFM (88.2677 CMM)
    Back Press LR: 1.00 In Hg (25.40 MM Hg)
    Back Press MR: 2.00 In Hg (50.80 MM Hg)
    Back Press HR: 3.00 In Hg (76.20 MM Hg)
    Attenuation: 8-12 dBA (dBA dBA)
    Primary Application: OFF ROAD APPLICATIONS
    Product Type Description: MUFFLER, ROUND, STYLE 1

     

     

    Other Details

    Manufacturer's Waranty

    Product Videos

    Custom Field

    INLET SIZE 4"
    OUTLET SIZE 4"
    BODY DIAMETER 8.46"
    BODY LENGTH 34.12"
    INLET END
    OUTLET END
    BODY SHAPE ROUND
    STYLE 1

    Product Reviews

    Write a Review

    4 Reviews Hide Reviews Show Reviews

    • 5
      M085171 Donaldson MUFFLER

      Posted by Huey on Jun 19th 2021

      Vast improvement over the drone experienced with the complete exhaust system purchased which included a 30" muffler. Knowing what I know now I would have purchase the system with out a muffler and used this one. Virtually a stock sounding system with exceptional performance. A snap to install and appears very well built.

    • 5
      Donaldson 40” muffle

      Posted by Unknown on Sep 29th 2020

      Great product.

    • 5
      Purchased for Dodge Ram 2500

      Posted by A. Thompson on Dec 11th 2019

      I purchased this muffle for my 1998 Dodge Ram 2500 CTD. Very easy to install and made a huge sound difference. Shipping was extremely fast, and product arrived undamaged. Will definitely purchase from Triple R Truck Parts again!!

    • 5
      Excellent product. Fit was perfect and sounds excellent..

      Posted by Richard Whitney on Sep 17th 2019

      Triple R truck parts is an excellent company to deal with. Customer service was extremely helpful. My order was processed and shipped the very same day.

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