This is a brand new Ford Racing brake duct kit, part number M-2004-A, designed to fit the 2008-2009 Mustang Shelby GT500KR. The kit is a performance/custom fitment, ensuring optimal braking power and efficiency. It is a genuine Ford product, ensuring high quality and reliability. The brake duct kit is perfect for enthusiasts looking to upgrade their Mustang's braking system, without compromising on safety or performance. With easy installation and a sleek design, this kit is a must-have for any Mustang owner.