BD-Power 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 through the expense? The BD-Power T3-T4 adapter flange makes for an inexpensive alternative to replacing the manifold and allows for quicker changes back and forth from T4 to T3 turbos.
Universal T4-T3 Adapter
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