L Model with 5.9L Cummins
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9" Round Hi-Flow Truck Muffler that is 44.5" Long with 4" IN/OUT D13-4590
Grand Rock
OEM PRICE $382.00YOUR PRICE $196.00M-131 9" Round Hi-Flow Truck Muffler that is 44.5" Long with 4" IN/OUT D13-4590 9" Round 4" Inlet - Outlet 44.5" Body 51" Overall What other exhaust parts will I need? Depending on your current exhaust system, you could need several truck pipes to...GRCM-131OEM PRICE $382.00YOUR PRICE $196.00 -
Mack Granite & R Model Muffler 10" Round x 44" 4" Inlet - 5" Outlet
Grand Rock
OEM PRICE $488.00YOUR PRICE $246.00M-130-4 M130-4 Type 1 Muffler 10" Round x 44" 4" Inlet - 5" Outlet M-130-4 Type 1 Muffler10" Round4" Inlet 5" Outlet 44.5" Body51" Overall What other exhaust parts will I need? Depending on your current exhaust system, you could need several...GRCM-130-4OEM PRICE $488.00YOUR PRICE $246.00