Anyone who is thinking about the RDX injector mods or already have this mod, I highly recommend this. The injector will fit a lot better! Long story short, if you don't have this mod, your RDX injectors will just be flowing along with the fuel rail.
My car runs much smoother and my butt dyno says yes!! Thanks to Brad providing the drill guide for the easy install.
If you have the infamous RDX injector idle problem, try this mod, replace your PVC valve, new injectors, clean your intake manifold, and clean all your valves with new gaskets. I don't know if any of these were directly related to my idle problem, but my idle problem is gone. Also if you have an aftermarket air filter (uni?) , don't oil your filter too much. The oil was clogging the little tunnels inside my intake manifold.