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K&N 1100r air filter delivered, uncertain if I should install

12684 Views 20 Replies 11 Participants Last post by  rkwfxd
Hey guys,

My k&n airfilter arrived today but I am hesitating to install it after reading some more...

My concerns are:

How will it deal with rain? I live in Belgium so we do see alot of rain here...

Will it run to lean if I leave the O2 sensor inside the airbox?

Will it run worse then before because the ecu won't be remapped?

I hope some guys that have done the mod can enlighten me...
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