What bhp on this setup?

[Prof]

If you put larger injectors in without some way of mapping them, you\'ll bog the engine everytime the secondaries stage.
 
It\'s best to get the emanage / Apexi PowerFC in first, then change injectors.
 
As for Oil pressure - for light to medium mods it should be fine as is, but you can get a replacement regulator (Mazdatrix or Racing Beat) or shim the existing one - although that looks a little dodgy to me.  If you\'re working from an engine build, you can make sure all the oil system is fully functional and flushed clean before you put it back together.