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.
Turbos are on a core exchange basis and take 3-4 Weeks to complete