Hi,
I have an Audi S3, APY engine, 210 with ESP.
It's not mapped. Stock.
Just have supersprint exhaust, k&n panel filter and silicone TIP bought from ebay.
I logged with VCDS several times. (on 3rd and 4th gear)
Peak maf reading is about 160-165 grams at 5800-6000 rpm, but it suddenly drops on...