Skunk2 72mm PRB Flange to RBC Pattern Throttle Body Adapter - 1/8in NPT Port Lights>Lights Corner They start out as CAD

They start out as CAD software prototypes and are put through flow simulations

B6 4600 (Steering Damper) will offer a significant improvement in steering

The precision die-cast aluminum Hinge Casting provides maximum strength without the excess weight of steel

The results are unmatched cornering grip

Skunk2 72mm PRB Flange to RBC Pattern Throttle Body Adapter - 1/8in NPT Port Lights>Lights Corner They start out as CADSkunk2 Racing now offers a solution for installing the Grams Performance & Design Drive By Wire Throttle Body or Honda K (RBC) Drive By Wire Throttle Body onto the Skunk2 02 06 RSX Pro Series and Ultra Street Intake Manifolds. A necessity when installing the Ultra Street Intake Manifold on the 06 15 Civic Si. The adapter has a 72mm opening and a 71mm exit as well as a MAP Sensor and 1 8 in. NPT accessory port for additional flexibility.