HONDA FN2 CL7 CL9 K24 RBC INLET MANIFOLD *UNMODIFIED*HONDA RBC Intake Manifold. The famous RBC manifold is a genuine Honda part. However straight out of the box it needs modifying and will not fit the K20. Ours are modified here in the UK on our CNC vertical machining centre, and are therefore ready to fit straight onto a FN2 Type R. With Hondata K pro this manifold can give +15 25bhp over the standard inlet manifold depending on your car model. This will fit a FN2 Civic Type R , Accord CL7 Euro R and