The Torque Monsters of the Camaro World - No Camaro Header Has More TORQUE or HORSEPOWER All stainless steel mandrel bent construction using 304 stainless alloy Full 3-inch x-pipe included NEW! True race-style 3-inch merge collectors for better scavenging Available 3-inch premium high performance metal matrix catalytic converters (no converter flows more) Included "off road" pipes for track use Race proven design makes more low end torque than any other brand, allowing you to have more of your engine's power on hand at low RPM while still producing fantastic peak horsepower. These headers have been tested on independent dynos by outside experts and show proven increased horsepower and torque over other top brands Removes over 45 lbs of weight over stock! Easy bolt on installation with NO WELDING Great fit and finish with no ground clearance issues Note: Long Tube Headers are not CARB certified