I have a tool like this http://c.shld.net/rpx/i/s/i/spin/ima...sm=0.9,0.5,0,0
Saved my butt when the filter stripped out.

 

I miss the EVO's that you could use a regular filter wrench on.

I use a strap wrench that I bought to take apart suppressors. Works great.

 

I vote for the K&N filters with the integral 17-mm nut on the cap. On the Road King, I always had to remove the Crank Pos'n Sensor to use any kind of cap filter wrench...no more.