Pre-Order Now KOOKS 2015-2021 MUSTANG GT 5.0L 1 7/8" X 3" STAINLESS STEEL LONG TUBE HEADER W/ GREEN CATTED CONNECTION PIPE Engineered Exclusively for the Right Hand Drive (RHD) Mustang GT 1 7/8" x 3" Stainless Steel Long Tube Headers Includes GREEN Catted Connection Pipes Connects to OEM Cat Back Connection... $4,400.00