Peterbilt 388 DPF & Mufflers

Peterbilt 388 DPF & Mufflers

Peterbilt 388 DPF & Mufflers

Find the best selection of Peterbilt 388 aftermarket mufflers in the business at 4 State Trucks. Shop for custom, chrome, and aftermarket mufflers designed to fit your Peterbilt semi truck. 4 State Trucks has you covered with quality mufflers from the best brands and manufacturers.
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  • Stainless Steel Exhaust Shield Filler Trim  For Peterbilt 378, 379, 388, 389, 389 Glider
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    Stainless Steel Exhaust Shield Filler Trim For Peterbilt 378, 379, 388, 389, 389 Glider

    ROADWORKS

    $134.99
    Stainless Steel Filler Trim For Exhaust Shields Fills Gap Between Back End Exhaust Shield & Front Edge Of Sleeper Give your truck a finishing touch with these stack guard filer trims. This trim fills the gap between the back end of the exhaust shield and...
    $134.99
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  • BESTfit 8 Inch OD X 45 Inch VK Internal Muffler Pipe
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    BESTfit 8 Inch OD X 45 Inch VK Internal Muffler Pipe

    BESTFIT TRUCK PARTS

    $725.99
    BESTfit 8 Inch OD X 45 Inch VK Internal Muffler PipeEnhance your vehicle's exhaust system with our premium Muffler, meticulously crafted to deliver superior performance and sound control. Featuring substantial dimensions of 8 inches in diameter and 45...
    $725.99
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  • BESTfit 7 Inch OD X 45 Inch VK Internal Muffler Pipe
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    BESTfit 7 Inch OD X 45 Inch VK Internal Muffler Pipe

    BESTFIT TRUCK PARTS

    $660.99
    BESTfit 7 Inch OD X 45 Inch VK Internal Muffler PipeElevate your vehicle's performance with our top-of-the-line Muffler, designed to deliver unparalleled sound control and airflow optimization. Featuring a generous 7-inch diameter and a 45-inch length,...
    $660.99
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    $660.99
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  • BESTfit 6 Inch OD X 45 Inch VK Internal Muffler Pipe
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    BESTfit 6 Inch OD X 45 Inch VK Internal Muffler Pipe

    BESTFIT TRUCK PARTS

    $690.99
    BESTfit 6 Inch OD X 45 Inch VK Internal Muffler PipeExperience unparalleled performance with our premium Muffler, meticulously crafted for exceptional sound control and optimized airflow. Boasting a 6-inch diameter and a 45-inch length, this aftermarket...
    $690.99
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    $690.99
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  • BESTfit 5 Inch OD X 45 Inch VK Internal Muffler Pipe
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    BESTfit 5 Inch OD X 45 Inch VK Internal Muffler Pipe

    BESTFIT TRUCK PARTS

    $724.99
    BESTfit 5 Inch OD X 45 Inch VK Internal Muffler PipeEnhance your vehicle's performance with our top-of-the-line Muffler, designed for superior sound reduction and optimal airflow. This aftermarket replacement part features a 5-inch diameter and a length...
    $724.99
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  • BESTfit 6 X 29 Inch Aluminized Steel Quiet Performance Muffler W/ 4 Inch Inlet/Outlet
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    BESTfit 6 X 29 Inch Aluminized Steel Quiet Performance Muffler W/ 4 Inch Inlet/Outlet

    BESTFIT TRUCK PARTS

    $622.99
    BESTfit 6 X 29 Inch Aluminized Steel Quiet Performance Muffler W/ 4 Inch Inlet/OutletConstructed from robust Aluminized Steel, this aftermarket muffler ensures durability and longevity for your vehicle's exhaust system. It comes with mounting hardware...
    $622.99
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  • BESTfit 10 X 49.5 Inch Type 1 Muffler W/ Lifting Ring W/ 5 Inch Inlet/Outlet Replaces M66-6188, M101451 For PACCAR
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    BESTfit 10 X 49.5 Inch Type 1 Muffler W/ Lifting Ring W/ 5 Inch Inlet/Outlet Replaces M66-6188, M101451 For PACCAR

    BESTFIT TRUCK PARTS

    $699.99
    BESTfit Aluminized Steel Type 1 Muffler Fits Keworth & PeterbiltEnhance your vehicle's performance with our Aluminized Steel Muffler, proudly made in the USA. Featuring a sturdy construction, it measures 10 inches in diameter and 49.5 inches in length,...
    $699.99
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  • BESTfit 5 X 18 Inch 16 Gauge Aluminized Steel Internal Muffler
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    BESTfit 5 X 18 Inch 16 Gauge Aluminized Steel Internal Muffler

    BESTFIT TRUCK PARTS

    $74.99
    BESTfit 5 X 18 Inch 16 Gauge Aluminized Steel Internal Muffler * High Quality Internal Muffler* Aluminized Steel* 16 Gauge* Dimensions- 5 Inch Diameter- 18 Inch Length* Works Well With 36 Inch Stacks* Hardware Not Included* Sold Individually* Warranty On...
    $74.99
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  • BESTfit 4 X 18 Inch 16 Gauge Aluminized Steel Internal Muffler
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    BESTfit 4 X 18 Inch 16 Gauge Aluminized Steel Internal Muffler

    BESTFIT TRUCK PARTS

    $68.86
    BESTfit 4 X 18 Inch 16 Gauge Aluminized Steel Internal Muffler * High Quality Internal Muffler* Aluminized Steel * 16 Gauge* Dimensions- 4 Inch Diameter- 18 Inch Length* Works Well With 36 Inch Stacks* Hardware Not Included* Sold Individually* Warranty...
    $68.86
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  • BESTfit 4 Inch In X 5 Inch Out X 8 X 21 Inch Aluminized Steel Type 1 Muffler
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    BESTfit 4 Inch In X 5 Inch Out X 8 X 21 Inch Aluminized Steel Type 1 Muffler

    BESTFIT TRUCK PARTS

    $137.99
    BESTfit 4 Inch In X 5 Inch Out X 8 X 21 Inch Aluminized Steel Type 1 Muffler * High Quality Muffler* Aluminized Steel* Dimensions- 4 Inch Inside Diameter- 5 Inch Inside Diameter- 8 Inch Body Diameter- 15 Inch Body Length- 21 Inch Over All Length* Angle...
    $137.99
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  • BESTfit 8 X 30 Inch OAL Exhaust Muffler With 5 Inch I.D. Inlet & Outlet
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    BESTfit 8 X 30 Inch OAL Exhaust Muffler With 5 Inch I.D. Inlet & Outlet

    BESTFIT TRUCK PARTS

    $151.99
    BESTfit Muffler 8 Inch Diameter * High Quality Muffler* Aluminized* Dimensions- 8 Inch Diameter- 5 Inch I.D. Inlet/Outlet- 24 Inch Length Body- 30 Inch Length Overall* Sold Individually* Warranty On Mufflers Against Defects In Workmanship & Material From...
    $151.99
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    $151.99
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  • BESTfit 10 X 51.5 Inch Performance Muffler
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    BESTfit 10 X 51.5 Inch Performance Muffler

    BESTFIT TRUCK PARTS

    $179.99
    BESTfit 51.5 Inch Performance Sport Muffler * High Quality Muffler* 51.5 Inch Wide Muffler Is 1 Inch Wider Than The Standard Performance Sport * Uses Acoustic Louver Sound Dampening* Up To 50 Additional Horsepower And Improved Response* Lower Exhaust Gas...
    $179.99
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    $179.99
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