Just added this item to Partshopper, Airaid's new intake system produced an additional 17 HP and 21 ft/lbs with stock tune and stock exhaust....this system doesn't require a flash - thought you S197 guys might like to know
http://www.partshopper.com/shop/AIRAID-Intake-System-for-2005-06-Mustang-GT-m371.html
http://www.partshopper.com/shop/AIRAID-Intake-System-for-2005-06-Mustang-GT-m371.html