'12 wrx with 2,250. Had to add almost a full qt of oil. Did the recommended break in to 500 miles. Used almost no oil. I'd say from 1,000 to 2,000 I was running into full boost pretty regularly (hey I didn't buy a Prius, I bought a fun car). Just topped it off and am currently running running the motor up to 4k max to until the 3,750 oil change to confirm its just blow by. Honestly not too worried. At over 14psi at max boost, blow by is a normal byproduct for certain engines. Some burn oil, some don't. At stage 2, even more so.