i am turbo
10psi on a 3 stage, 200+ hp and 40ish mpg. very fun too. The hondata s300 setup is soo wonderful, the ecu's are plentiful, no gay egr, no impossible wire harnes to buy/make, all you have to do if your car is already vtec, is just run 1 wire from the iab output to a relay under the hood, ecu grounds relay turning it on and powers the 12-16. I have all 3 stages, turbo 10psi, 550cc k-series injectors, a/c, everything works like a normal 97 ex d16y8, so when emisions comes i just pop my stock injectors back in, put the p2p ecu back in , open the wastegate, drive a day and head in for a scan check and pass.