wondering if anyone knows what would be the best boost controller for a 2.5 turbo hawkeye as looking to put one on mine.

Nooooooo don't !
Either get it mapped with an electronic boost controller mapped in, apexi acvr or what ever it's called
Or have it mapped with twin maps high/low boost.
Mbc's fastest way for your car to go bang

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As above, ecu is there to control the boost ;) just get it mapped rather than blow up your engine.

 

only caveat is a 3 port boost control solenoid, but that's about giving more control to the mapper rather than upping the boost.

I use this to control the boo's

Loud pipes save lives