Turbo upgrade?

[sleeperms6]

I'm considering upgrading my factory turbo and I'm wondering what's the best option/size to get. I still want my car to be a daily driver and I don't really want to have to upgrade internals. Any suggestions on what trim I should go with?

 

[FORZDA 1]

BNR Turbos. http://bnrsupercars.com/

 

[blackwidow]

I have the BNR stage 2 and it work great no more smoke and hold boost !