Here, you are looking at the Tial 38mm MV-S External Wastegate. This wastegate is a very popular choice of external wastegate utilized by some of the world's fastest and powerful turbocharged vehicles. The 38 MV-S supersedes the previous Tial V38 in design with new features to achieve your desired boost levels.
Water cooling ports (not required to run) for those heavy-duty applications, three bottom pressure ports and two top ports for boost controllers like the AMS-1000.
High temp NiCrFe based alloy is used for valve and 347SS valve housing will offer longer product life compared to competing designs.