BD-Power (1044106) T4-T3 Adapter Flange
T4-T3 Adapter Flange - 1044106
With T4 sized turbine housings, there is no performance advantage to changing the exhaust manifold to match... So, why go to the expense? Our adapter flange makes for an inexpensive alternative to replacing the manifold and allows for quicker changes back and forth from T4 to T3 turbos.