When seeing the air flow numbers it is not hard to believe why on race gas with the Stage III+ GTX2867R turbo gains are +123 horsepower at 5250 rpm. Clearly APR did their homework on this head and the results speak for themselves:
Dyno numbers are provided at the wheels (very nicely APR) for the various fuel and Stage 3 turbo options. With race gas and the GTX turbo a peak of 483 wheel horsepower was achieved which is 81 more horsepower at the wheels than with the stock head:
This type of result reminds us why APR basically sets the standard namely in the VW scene. Pricing is set at $1,999. Photos and video below, job well done yet again APR.