im confused. i was running my bike with K&N filter, two brothers slip on, 142.5 mikuni mains, 17.5 pilots, about 2.5 a/f mix, 4th clip position. it ran great. i got a good deal on a full acropovic exhaust, put it on and now my bike runs awful. the idel is fine and up to about 3000 rpm is good but when i try to open it up, there is absolutly no power. it bogges out really bad and i couldnt get over 90mph. the paper that came with the exhaust said that its ment to work with stock carb settings but WTF, its a full system thats built way better than stock. i put the stock air filter on and it ran a bit better so im thinking im just running way lean. any suggestions.