I dont understand what the deal is. Do the f4i's have doodoo power around 3-4K like the 929 does? Mine runs like poo for anything over 2.5K up to about 5K but I just figured that was because I have a shorty jardine slipon with no powercommander.

 

i have an akrapovic pipe w/ no fuel modifications and the power comes on pretty smooth, but it really kicks in at about 5500.
B