Im wanting to turbo my si coupe, my friend recently bought a 14b turbo, but now has decided to do something diffrent. Just wondering how many whp can these turbos go up too. Im only looking for about 220-260 to the wheels, for now. Do the 14b turbo hold boost till 8000 rpms?

 

Mine holds good to my redline 7200.

 

I have the 18g on my 99 si and it holds boost to 8000 rpm. It is tuned with a Hondata and I am running 11 lbs. I have heard the 14 b will hold full bosst all the way up. My .02¢