Are you going to run the stock paper filter or replace it with a drop in unit like a K&N? What are the race teams running in their cars? Here's some info on the K&N for the GT. Does the Boss use the same filter as the GT?
http://www.americanmuscle.com/kn-dropin-filter-2010.html
http://www.americanmuscle.com/kn-dropin-filter-2010.html