I finally took my car up to the track tonite to see what it runs. It's a 97 A4 Quattro. It's only got intake and 3" exhaust from the manifold back 2 high flow cats and a flowmaster Delta Series 40 muffler. At this point i do realized that i am losing power becuase there is not alot of back pressure. However, i dont think i should have done as bad as i did although my reaction time was horrible. My reation time was .726 and my 1/4 time was 16.262. Does anyone have any thoughts on how i could improve my 1/4 time without buying a turbo quite yet?