Christ, you are THE pioneer of the polo GTI tuning world!! 270 will be extremely excessive. What 'brand' is the new turbo, how much bigger etc? 
The turbo is based on the stock one and is a Loba LO270






LOBA Motorsports GmbH
LO270 turbocharger
state-of-the-art “Extended Tip” compressor wheel
5-axis CNC re-profiled compressor housing and backplate
5-axis CNC re-profiled turbine housing
special clipped turbine wheel
optimized clearances
modified actuator
uprated bearing
precision balancing of individual components and CHRA
Depending on engine management settings, engine condition and other components utilized this turbo is capable of producing 270bhp before water methanol injection.
