Bassani Baffles for Radial Sweepers Exhaust System Performance stepped headers with radial rear section Fabricated from 16-gauge double-wall steel Direct bolt-on design for easy installation O2 sensor port plugs included for non-sensor applications Slotted holes in heat shields Made in the U.S.A. California Customers: WARNING: This product may contain chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov