If i were to go with the slip on white brothers exhaust and say put 4 of those uni filter vents on my air box and bought the K&N power kit which includes the K&N filter and jet kit.. Or should i just buy one of those jet kits..

My question is how hard is it to jet the carb.. i have oh i would say average mechanical skill never really dealt with carbs though.. and also after the jeting would any of the controls on the carb need adjusting.. If so how could i tell when they are adjusted properly.


Thanks and also if anyone knows of any good supe ups for the 400ex that does not require jeting or anything of (you know a person with average to poor skills wouldnt have trouble with)..

i am really looking for more power but need to know my options and everything and you guys have the answers..