gt37r or gt40

[DisplacedOkie]

I've been lookin for some reasonable turbos. I rice burner friend of mine has a gt37r or gt40 i can have. Will they work and what king of power can they support?

 

[malibu795]

gt4088 is a 2.5" turbo 63.7mm T4 foot

and have 4 turbine housing options

can push upwards of 600-650 peniding supporting mods