Application:Widely used in exhaust system, turbocharger, downpipe, muffler etc. M'SPORTIVE -4 Inch 101.6mm SUS 304 Stainless Steel V-Band Clamp Flange Turbo Downpipe Exhaust Clamp Aazon.co: Vitonsbay Exhaust Clap,2.0 Inch V Band Clap Coupling With 4 Inch Exhaust Coupling 2/3/4 Inch Stainless Steel Exhaust V Band Clamp Retrofit of Exhaust... Feature:Male female flanges are sealed without gaskets to ensure proper alignment of the flanges inside the clamp for easy installation. 4.0 INCH EXHAUST CLIP KIT - This complete 4.0 inch Vband kit includes 1male flange and 2 female flange,304 stainless steel clamp allows for the flanges to properly align during installation to ensure a leak free seal Material:Mild steel clamp, Stainless steel flanges, T bolt and locknut.