This exhaust manifold was precision-engineered and durably manufactured to match the fit and function of the original manifold on specified vehicles. It includes all necessary gaskets and downpipe hardware for a complete repair. This part is compatible with the following vehicles. Before purchasing, enter your vehicle trim in the garage tool to confirm fitment. [Ford Crown Victoria: 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011] - [Ford Grand Marquis: 2003, 2004] - [Lincoln Town Car: 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011] - [Mercury Grand Marquis: 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011]