Originally Posted by StillenZ84

Topgunz was spot on with figuring out what filter would work best with the air to air setup. Fits almost perfectly and sits in there very snug. From the front you can see that this setup will be getting plenty of cold air. For the filter to fit better and for piece of mind, I used a small 1/8"x 1/2" rubber spacer that I placed on the lip of the supercharger inlet before I slipped on the air filter. This just allowed for a much tighter grip.