K&N Air Filter for 2004 SCrew 5.4L !!!
Member
Joined: Dec 1969
Posts: 53
Likes: 0
From: Boiling Springs, PA
I have the Green Filter and it has a built in soft gasket. The Airaid filter has a taped on soft gasket. Supposedly the Green filter out of Mt Braddock PA dumps 12% more air than the equivalent K&N.