PRL Honda / Acura RBC / RRC Intake Manifold to 70mm or ZDX Throttle Body AdapterPRL HC9 IM ZDX A Application: ZDX or MDX Pilot Throttle Body on RBC RRC Bolt Pattern Intake Manifold 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 2015 9th Gen Honda Civic Si, 2013 2015 Acura ILX, 2009 2014 Acura TSX or 2008 2012