A friend of mine told me if I change the stock filter to K&N I have to bring it to the dealer and have the update the programming so It knows its there

I never heard fo this , So just to make sure hes not crazy : )

Thanks

2005 sportsman 700 efi

 

I did not. I think you will be fine, they run alittle rich anyway.

 

Check spar plug after time. I have carb 500 HO and I had to adjust carb. KN filter is more open and it run lean. But you have efi and I think it measure intake air.

 

Great Thanks

 

screw it on and ride