Description: 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...More Details »
Description: The large foot-print of T6 turbo can be bolted to a T4 manifold or a T4 Turbine Diverter Valve with this dual throat adapter flange. Machine cut flat to 0.480, this adapter seals in exhaust drive pressure.