Flowmaster's Scavenger Series Elite shorty headers are designed to replace the restrictive factory manifolds. These high quality headers are manufactured from stainless steel and are ceramic coated for maximum durability. They feature 1-5/8 in. primary tubes, 3/8 in. thick laser cut flanges and factory collector connections, ensuring a direct-fit, leak free installation. Like all Flowmaster products, the benefits include improved throttle response, power and engine efficiency. Designed for an easy fit, these headers include gaskets and necessary hardware for easy installation. Note: this product has been granted a California Air Resources Board (CARB) exemption, an E.O. number, or is a direct or consolidated replacement part. It is 50-state legal, per the application guide. Stainless Steel Construction High Temperature Ceramic Coating Dyno tuned for maximum performance 3/8in. Thick Laser Cut Flanges Fits 2005 to 2010 Mustang, GT, with a 4.6L V8 engine, shorty headersProduct Description: Headers, Scavenger Series, 1-5/8 in Primary, OEM Flange, Stainless, Metallic Ceramic, Ford Modular, Ford Mustang 2005-10, Kit.Pit Stop USA offers Flowmaster Headers - 2005-10 Mustang GT - Stainless Steel - 4.6L 1-5/8 814224 at low everyday prices. Be sure to check out all our products from Flowmaster including Flowmaster Ford 4.6L Modular V8 Shorty Headers and Flowmaster Ford Mustang (5th Gen) Headers.