Note:309-05-1030 66mm and 309-05-1050 70mm
Complement your Alpha Series Throttle Body with a Pro Series Intake Manifold for increased airflow.
Not compatible with engines featuring down-flow intake manifolds. Must use Skunk2 Pro Series Intake Manifold or similar.
Not compatible with B18C GS-R intake manifold. Must use Skunk2 Pro Series Intake Manifold or similar.


Acura B17A1
Acura B18A1, B1, C1, C5
Acura D16A1, A3
Honda B16A2, A3
Honda B20B, Z
Honda D15A2, B1, B2, B6