Mechie Posted June 1, 2020 Share Posted June 1, 2020 (edited) I have slowing been studying up and preparing for my first track day experience. Midwest track days shows "K&N external oil filters are not allowed" I have not been able to find much info on why that is? Are others using different filters with the safety wire holes or hose clamp method on stock filters? Edited June 1, 2020 by Mechie Link to comment Share on other sites More sharing options...
Global Moderator mjh937 Posted June 1, 2020 Global Moderator Share Posted June 1, 2020 12 minutes ago, Mechie said: I have slowing been studying up and preparing for my first track day experience. Midwest track days shows "K&N external oil filters are not allowed" I have not been able to find much info on why that is? Are others using different filters with the safety wire holes or hose clamp method on stock filters? A while back (maybe two years ago I think) K&N had a batch of bad filters that could leak. Maybe that is why, but it seems like an overreaction this far down the road. Link to comment Share on other sites More sharing options...
Premium Member blackout Posted June 1, 2020 Premium Member Share Posted June 1, 2020 The hose clamp method is widely accepted. And yes, k&n had a bad batch. Craig Mapstone Upstate New York Link to comment Share on other sites More sharing options...
mossrider Posted June 2, 2020 Share Posted June 2, 2020 Hose it Link to comment Share on other sites More sharing options...
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