Originally Posted by tmex
Akropovic, hands down winner for looks and sound. No mapping changes required. BTW, I would not expect noticeable performance improvements from any slip-on for the F8. You might get something if you changed the plumbing all the way to the exhasut headers - not sure.
Spot on. The headers are the major point of restriction in my opinion. There is also a large internal baffle in the Akrapovic muffler. Removing it also makes a substantial difference in both sound and performance. Doing both gave me about 1500 more rpm to play with.