Hybrid turbo upgrade selection & general tuning question

[Pete_89T2]

Originally Posted by FerociousP

Interesting. My experience and what I've heard is that the boost rises with a more free flowing exhaust due to less back pressure, and would need a FCD. But if yours isn't then you I would imagine you are fine. I run a full RB turboback exhaust and I hit 11-12 consistently and it bleeds back down to 8 with only the stock wastegate for control. It even will creep higher in 4th and 5th at certain RPMs. I am running a FMIC.

The full RB turbo-back exhaust explains why you see higher boost pressures. I still have the stock cat, and probably always will need a cat to keep my car legally registered.