Read enough threads about red line heavy, sounds good. Going to switch to that next change, also going to mobil 1 syn. Getting away from syn3. Question is, are you using the regular Harley oil filter or using a different filter? What else have you switched to away from Harley?

 

Regular HD filter

A ton of stuff

 

I used the HD filter on my 07 and plan on using it on my 2011. I have no complaints with the filter.

 

Who has complaints with any filter?

 

WIX Filters

 

K&N, with the bolt top, much easier to remove.

 

Bosch 3330

 

K & N love that bolt on top.

 

K&N here much easier to change with bolt end.

 

Like oil, oil filters also stir up the pot Champion Labs makes the H-D filter proprietary to their specs. Champion Labs also makes the corresponding size in a Walmart Supertech filter for $3 The Walmart filter meets H-D's oem specs. The question is do you want a $3 Walmart filter on your $20k bike?