im running a stock ecu on my 94 gsr motor, is this bad to have with the skunk2 manifold, i am oging to get my ecu chipped soon, but wondering what the difference is with the vtec crossovers, there are no longer a 2 stage becuase of the different ecu right? i also put in itr cams

 

Vtec crossover depends on which program you get. As far as the butterfly stuff: https://honda-tech.com/zerothread?id=132869