So with many people having issues getting over mid 400 on these cars on E85 with just a basic 255lph setup we  decided to try out some alternatives. We have done plenty of setups with inline Bosch 044 pumps as well as double pumpers but wanted to see what could really be done with a single in-tank pump (we willRead the Rest…

Video of the tach on a mildly modded 2008 Audi S4.