Straight Pipe Monster Muffler Delete kit for 4 inch Banks Power Monster Exhaust Systems. Does not replace OEM mufflerReplaces 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.Banks Power Straight Pipe Kits are made from durable galvanized T-409 Stainless Steel. These kits come with the necessary hardware for the applications listed in their description.
