and @ bijay bhai, have u rejetted or tune carbs after installation of air filter or just used in stock carbs. And please post the model no and pic of ur performance air filter , if possible ( sorry for the trouble)
Bro maile ni rejet gareko chaina,i should have done that but i dont have any idea ktm ma kata garcha bhanera.Mero air filter ko model chai Ul RC 1600 or Rc 1060 ko euta ho.But both will work for rtr.