We just produced this last week. It makes me think that Ford was holding back when it came to breathability of their motors.
http://www.nmratv.com/index.php?str...515_Kooks_Shelby_Install_Final.flv&playlist=1
http://www.nmratv.com/index.php?str...515_Kooks_Shelby_Install_Final.flv&playlist=1