FMF Racing Apex Exhaust on Kawasaki ZX-10R - Tested

Ask first ten riders aftermarket purchases they made for their motorcycles and the possibility of nine of them will give the same answer: a drainage system. It's hard to resist whining howl of the engine full song, and let the engine breath easier not only release more than a beautiful exhaust note, but it also can liberate a certain power in the process. The problem was always that the change in