08-10-2012, 06:49 PM
All I have done is a vararam Cai and a Diablo handheld tuner, and ran 12.80 at 108mph. Now with the addition of pacesetter's cheapest headers and catless mid pipes I've hit 12.6 at 111mph. I think these numbers are great for such few mods. This with a 05 A4 GTO on stock tire!