BESTfit 11 Inch Diameter Muffler 5 ID / ID X 61.5 OAL For Peterbilt 387

01-080202 - BESTfit Muffler 55 Inch X 11 Inch * High Quality Muffler * 11 Inch x 55 Inch x 61.5 Inch * Overall 5 Inch I.D. In And Out * Sold Individually * Warranty On Mufflers Against Defects In Workmanship & Material From Date Of Purchase *** High Quality Aftermarket Replacement Part (Not OEM) *** * Replaces OE Number M110824