Straight Pipe Monster Muffler Delete kit for 4 inch Banks Power Monster Exhaust Systems. Does not replace OEM muffler
Replaces Muffler 53801 used in 2001-2007 6.6L Duramax and 1998-2007 5.9L Cummins 4 Inch Monster Exhausts.
Includes 4-inch x 36-inch Exhaust Straight Pipe and all necessary hardware.