2-into-1 Exhaust System - 49-State - Black
1-3/4" headpipe steps up to 1-7/8" into the collector to increase flow and improve performance, 4" muffler body with billet end cap (24" long), Removable spiral-core louvered baffle included, Includes heat shields and mounting hardware, 12 mm and 18 mm O2 sensor ports, Made in the U.S.A.
