Now offered for 2005 - 2010 Ford Mustangs is a performance intake by Ford Racing. The new intake features high flow runners and an open plenum design for better fitment. With the right cam and head package you can see around 40 more horsepower on your 4.6 liter Mustang engine. The intake retails for $549.95, for additional 40 possible horsepower that's not a bad price.