Product Description
Adapt the turbine outlet flange of your GT42 or S400sx3 based turbo to a 4" tube. This is the outlet flange for the T4 inlet flanged GT4X and S400sx3 with the 4.62" OD Flat Flange also known as a half marmon. Billet Stainless steel V-Band weld flange that allows a 4" tube to slip fit inside.