eproms for boost pressure and fueling/timing for STOCK AUDI 20V 2226 TURBO ENGINE.
3B or RR.
no AAN/ABY/ADU!!
It increase the boost pressure from 0.9 to 1.4 bar.
Estimated 270 hp. So about 50 hp of gain.
Your engine must be well mantained! No boost/oil/water leak!