Peter Merle wrote: > > Does anyone have flow data on the K03 and K04 Turbos I remember seeing it. This test was performed by EC a while ago, they compared the four major A4 1.8T tuners. The main players should have this graph: wetterauer, tap1, neuspeed, greddy. Also check the archives on a4.org. -- Igor Kessel Two turbo quattros.