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               Originally Posted by 
               Cabby 
                
               
             
              Ok thanks for that info, I have a follow up question however, my bike has always run great, like pretty fantastic with this o2 controller on and the foam air filter it has in at the moment, what benefit am I likely to notice if I then go ahead and fit these dna filters and kev mod ??
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         Even greater tractability low down + more power from mid to high rpm = greater spread of power/useable rev range =