F.I. Mapping.....

Just installed a Yoshimura exhaust system on my 2010 fo-fiddy....Anyone made the change, and if so, any changes required to the fuel/ignition curve to optimize the new exhaust..? Seems to run well, but I'm guessing it is less than optimum.

try th Jay Marmont map listed in the sticky

Create an account or sign in to comment

You need to be a member in order to leave a comment

Create an account

Sign up for a new account in our community. It's easy!

Register a new account

Sign in

Already have an account? Sign in here.

Sign In Now