M3451 Muffler $342.72 Quantity discounts available QuantityPrice Quantity -+ Add to Cart Details For Freightliner with 3126 CAT applicationsalso used in 6 cyl Mercedes applications11" diameter body w/ 36' body length 42" overall le... Details Back DetailsFor Freightliner with 3126 CAT applicationsalso used in 6 cyl Mercedes applications11" diameter body w/ 36' body length 42" overall lengthoffset 4" inlet and outlet