With these BBK Chrome headers you are guaranateed to add between 8 and 15 more horsepower to your vehicle. They are constructed from mandrel-bent tubing with 3/8 in. thick die-stamped flanges. They include all the gaskets and mounting hardware for the installation. Applications: 1994-1995 Chevy Camaro and Z-28 5.7L 1994-1995 Pontiac Firebird and Trans Am 5.7L