Quote:
Originally Posted by drewpy
rub it in, got no bike, but i did get my kn filters friday, is it normal for them to send foam inserts to lessen the airflow on a stock engine?
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If you got the individual filters then yes. Infact,for a while they were sending foam covers for airbox filters so you could put them on for street and take them off for race. That type of system would be tits with an '07 GSXR or a R1/R6 with the separate air box cover!