Downpipe 4 screws T3 on 2.5 "V-Band Material: stainless steel. Allows for a simple construction of a high-flow exhaust system. The properly selected shape of the housing allows you to accelerate the flow of exhaust gases from both the turbine outlet and the wastegate valve. Band assembly and disassembly is extremely simple. Compact design reducing the height of the entire adapter to 28mm. Downpipe 4 T3 screws for 2.5 "V-Band Material: stainless steel. Allows for a simple construction of a high-flow exhaust system. exhaust gas flow from both the turbine outlet and the wastegate valve. Thanks to the V-Band connection, assembly and disassembly is extremely simple. Compact design reducing the height of the entire adapter to 28mm.