Expertly designed and precision engineered, the XFORCE 3.5" Inch Inlet & 3.5" Inch Outlet Round Varex Muffler is a must-have for any automotive enthusiast. With a 4-inch inlet and 4-inch outlet, as well as a 3-inch inlet length and 5.5-inch outlet length, this muffler offers optimal performance and efficiency. Featuring a single wall outlet style and a 61/2 x 10 inch diameter, this muffler measures 16 inches in length and is part of the Varex product group from our trusted suppliers.