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Grand Rock · Exhaust
562.U645091
In stock · ships from Knoxville
This is a heavy-duty diesel exhaust muffler with a 4-inch inlet, 5-inch outlet, and a 9-inch round body that measures 44 inches long.
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Universal fit
Universal aftermarket muffler for heavy-duty diesel trucks. Verify your existing exhaust pipe diameters (4-inch inlet, 5-inch outlet) and available space (44-inch body length) before ordering.
Part data verified against 1 catalog sources
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It reduces engine noise and is typically replaced when the original muffler is rusted, damaged, or clogged, which can cause excessive backpressure and hurt performance. The muffler is a universal fit component for many Class 8 trucks.
Part Number: 562.U645091
4IN INLET 5 INCH OUTLET 9IN BODY MUFFLER
Vendor: Automann
Dealer: KP Services Crossville
Compatibility, alternatives, and more
Parts commonly needed alongside exhaust
