HC9-IM-ZDX-A - PRL Motorsports RBC Intake Manifold to 70mm J37 (ZDX/ MDX) Throttle Body Adapter It's no secret that Honda's RRC and RBC intake manifolds are some of the best flowing intake manifolds available from Honda for the K-Series engine. RBC and RRC manifold swaps are a popular solution for engines equipped with less desirable intake manifolds like the 2012...