SPOON 4 in 2 EXHAUST MANIFOLD For HONDA CIVIC FD2 18100-FD2-000Brand SPOON Series Name 4 in 2 EXHAUST MANIFOLD Product Descriptions The Honda NA engine has relatively low torque and the advantage of 4 2 1 layout is high. Therefore, it is recommended to combine the exhaust manifold and genuine 2 in 1 for testing and experience. All spoon exhaust manifolds adopt the Fall Insert method with no step with the port and the Tig welding method with skillful assembly technology. By contributing to excellent handling by