Peterbilt 389 DPF & Mufflers

Peterbilt 389 DPF & Mufflers

Peterbilt 389 DPF & Mufflers

Limit the noise coming from your truck with Peterbilt 389 aftermarket noise reduction mufflers and more. We have different styles and sizes of custom, chrome, and aftermarket mufflers to ensure you find the perfect one for your big rig. Shop at 4 State Trucks for top-notch mufflers.
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  • BESTfit 6 X 29 Inch Aluminized Steel Quiet Performance Muffler W/ 4 Inch Inlet, 5 Inch Outlet
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    BESTfit 6 X 29 Inch Aluminized Steel Quiet Performance Muffler W/ 4 Inch Inlet, 5 Inch Outlet

    BESTFIT TRUCK PARTS

    $1,064.99
    BESTfit 6 X 29 Inch Aluminized Steel Quiet Performance Muffler W/ 4 Inch Inlet, 5 Inch OutletCrafted from durable Aluminized Steel, this aftermarket muffler is designed to elevate your vehicle's exhaust system. It comes complete with mounting hardware...
    $1,064.99
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