After installing Akra 4-2-1

[fasterfaster]

Steve was a pleasure to catch up and put a face to the name ...... your a true gentleman
There is also another brand that claims "No remapping required"
Maybe they should also add ..............unless you want max return for your money spent ?
As Axe has said rich unless very excessive won't create damage but funny part is that the Busa's in Oz all run rich out of the crate but the US bikes are all lean from the crate.