no it came with normal ones

 

ok i went ot get gas today and the cap had a **** load of vacum on it i had to pry it open with a firnds key and i was wounding if when i took out he cail. emissions i caped off the 2 lines comming out of the tank the red and blue ones and dose that have anything to do with the ventilation on in the take and could that make some type of backpresser wich making the line have a little air lock in it and makeing it bog down? let me know what you think befor i rip the tank and dampner all off and also i noticed that it dose it more when i do wheelies and other sutns when the bike is stright up in the air?