Feature 1Designed for car exhaust connection, can be used to convert 2.5in exhaust port into 3in. 22bolts design, ensures stable performance and high reliability, dependable to use. 3Premium stainless steel material, rugged and corrosionresistant, long service life. 4The installation is simple and does not require complicated operations. 5Excellent replacement for the old or damaged exhaust flange reducer.Item Type: Exhaust Flange Reducer Material: Stainless SteelMounting: Direct Replacement .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Exhaust Flange ReducerNoteProfessional installation is strongly recommended!