* 07-10 SS Front Pipes * Stainless Steel construction * 1 Hour Install * 3" Inlet and outlet * Must be used with Kooks longtubes and Offroad X-pipe * Specially Designed for 5.4L Shelby GT 500 Wake up the exhaust on your 2007-2010 Ford Mustang GT500 Shelby with these front pipes by Kooks Custom Headers. Made from long lasting Stainless Steel and featuring 3" inlet and outlet to get the most power out of your Shelby! Quality Construction: No one gives you the bold clean styling of our Aftermarket Dress Ups, Suspension and Performance Parts for your American Muscle Car like UPR Products! Installs in 1 hour. Fits these Vehicles: 2007 2008 2009 2010 V8 5.4 4V Shelby GT500 Mustang Vehicles. Made in the USA!