Durable Material：The upgraded intake manifold is made from high quality materials and offers excellent durability, high temperature resistance, long life and easy installation.
Note：There is an intake hole on top of the intake pipe that allows the intake pipe to do more work, you can choose whether to use this intake hole or not according to your needs(Please see the schematic).
Function of GX390 Inlet Manifold：Convey the combustible mixture from the carburetor to the engine, its efficiency directly affects the engine performance. The inner wall of the intake manifold is designed with a smooth surface and good sealing，providing the best airflow.
