HeyI have a 91 cbr. I was wondering what other performance stuff i could do. I have a Yosh slip on and a K&n let me know. Thanks Aaron

 

You can do lots of things ... Full exhaust (header) since you alreadyhave a slip on .. K&N air filter ... jet the carbs .... gears ..... port the motor..... or just buy a fatsre bike..... pretty simple .. i have jetted carbs two brothers slip on k&n gears and the thing is sick but i have a 98 f3 lot diffrent from yours hp range any ways well good luck