I'd say turbo and E85 is the obv next step

 

I also didn't see you had any upgrade for injectors or so it wasn't listed?

Make sure you have proper fuel. If your fuel can't keep up with your engine, you will be sure to fail and detonate.

 

You dont need upgraded fuel system on stock turbo for pump on a evo x
evo 8 and 9 fuel system you have to upgrade to max turbo out evo x you do not have to.
I hate e85 for right now and that is that will not do it................... I do not have a station close to me and i am not messing with it to much trouble.......

 

bad batch of e85 blows up a probuilt engine:
https://www.evolutionm.net/forums/ev...een-found.html