Hooker continues to set the standard of performance with the Blackheart line of engine swap system components. We are proud to offer these 304SS long tube Coyote engine swap headers for 1996-2004 Ford Mustangs. These headers feature 1-3/4" primary tubes with 3" collectors and are engineered to offer premium fitment on vehicles equipped with a stock OE, Maximum Motorsports (MMKM-2), AJE MU-40-UM*, and Team Z TZM-KM-96-04, or TZM-KM-SWAP4* engine K-member. *Installation requires the use of Hooker Blackheart engine swap brackets developed specifically for AJE K-members.