RBC Intake Manifold to Stock 2012-2015 Honda Civic Si 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 - 2015 9th Gen Honda Civic Si, 2013 - 2015 Acura ILX, 2009 - 2014 Acura TSX or 2008 - 2012 Honda Accord. Often times these manifold swaps require a throttle body adapter. We offer a billet throttle body adapter machined from 6061 aluminum to seamlessly adapt a specific DBW or drive-by-wire throttle body to the intake manifold.

This throttle body adapter utilizes an O-ring to seal against the intake manifold and throttle body. A 1/8" NPT port and 90 degree fitting retains the factory EVAP Purge, but can also be deleted or plugged for a cleaner install. EVAP can be disabled with an engine tuner like Hondata FlashPro or KTuner.