ADVANTAGE: V-Band clamps are perfect for applications requiring frequent removal. They provide a quicker disassembly yet provide a great seal with even pressure at the flange. Once the flanges are welded in place the included V-band clamp slips over the connections and secures the flanges together, providing a leak-free sea. Conventional exhaust flanges multiple nuts, bolts, washers and a gasket. A V-band kit eliminates all of these and allows for a connection with a single nut. APPLICATION:The V-Band Clamps offer effective fastening solutions in exhaust systems, remove intercooler systems and turbo parts. such as charge piping, intake pipes, diesel engines, turbochargers, and heavy-duty exhaust systems. Etc. V-band kit is ideal for connecting different pipe sections. MATERAIL: 304 Stainless Steel, strong anti-oxidation ability, good strength, good corrosion resistance. It’s a good choose to save money. MULTIPLE SPECIFICATIONS: Multiple specifications of V-Band Clamps to meet your different needs. This V-Band Flange Kit include one piece 304 stainless steel Quick Release v-band clamp and two pieces CNC 304 stainless steel flanges(one piece male flange & one piece female flange). 100% SATISFACTION: The 4.5' V band clamp have 3-month warranty.No instruction included, Professional installation is highly recommended.We value your shopping experience and strive to offer a high-quality product and service.And if you have any other problem, contacting us and we will serve you within 24 hours.