err?umm?getting back to the original post,any proper filter in the proper airbox is worth ten pod set ups!people will tinker and tinker and always come back to the same thing,,the stock set up is great, aftermarket units in the stock airbox are mostly the same as stock,most of these combos with altered exhaust and induction and ignitions are mostly a hum jumble of mismatched parts in my opinion,if you improve induction,or flow,it must be compensated for,,if you restrict it,,it must be compensated for,this is an each way bet,,go a little richer or leaner,,the proof is on the track though,the smaller the engine and induction,the more it responds to subtle changes,,the higher you rev this engine the less its responsive to these changes,,the difference between a truley blocked filter and a clean one are miles apart,,the difference between a standard filter and a more free flowing one would only be worked out once any changes were all tuned in,,if your filter flows more easy,youll need to enrich,check your ignition first though!free power will be had through a well sorted igniton.