Want to get some more power out of your 3.3 pick up a oil air breather from a auto store or Amazon and replace the air filter with it on the 3.3

[mikehirsh]

Want to get more power out of your 3.3 replace the stock air filter with a oil air breather you don’t have to oil it and it flows so much better and looks so good

 

[Maximum_Quake_Pro.com]

You must use a oiled foam sock around, 2 stage filtering, or you WILL get dirt inside, in dusty, sandy, areas.

It doesn't filter out smaller particles alone