1996 Ford F-150/250/Bronco, 2WD & 4WD: 5.8L, Tube Size 1.5"; Black Painted; 50-State Legal header CARB EO #D-115-17.. FLOWTECH's emissions-friendly headers are just the ticket for those who want the best of both worlds - top performance and a clean machine. All Shorty Smog Headers bolt on quickly and easily to the factory exhaust system, retaining all stock emissions equipment, and offering maximum horsepower gains plus increased efficiency!. Please call Flowtech tech services at 270-781-9741 for additional information regarding exhaust products. The use of header wraps can cause the header tubes to crack or rust due to excessive heat and moisture build-up. Flowtech does not recommend the use of header wraps as this will void the warranty.