Dyno Thread Link  -

https://f80.bimmerpost.com/forums/showthread.php?t=1384960

Pure dyno tested at 632whp in 2014 and have since tweaked and tuned the turbos to unleash over 700whp!

These S55 upgrade turbos are the only available to offer a turbo utilizing purpose built S55 compressor and
turbine wheel profiles.They are simply the only proven powerful and reliable turbo upgrade
available for your M2, M3 or M4.

All the World's Fastest M2/M3/M4's run PURE Turbos!