Pacesetter Headers-Black,Mild steel,4-1

PACESETTER HEADER, STEEL, BLACK, SOLD INDIVIDUALLY -- For off road use - Not legal for use on public roads and highways; 1.5 in. tube diameter, 16-gauge tube wall thickness, 2.25 in. flange collector, 0.375 in. standard head flange; Gaskets, hardware, illustrated instructions, and header extension included to connect to stock system; Full-length style; Round head port; Easy-to-clean; Features mandrel-bent mild steel primary tubing that is black-painted to reduce under hood temperature and to resist rust and corrosion; Significantly boosts performance and increase engine efficiency; Hook-ups for smog and engine management sensors; Fabrication may be required; Not legal for use on catalyst-equipped vehicles except for racing vehicles which may not be operated on a highway; Pre-catalyst vehicles must use original emission control devices; It is the responsibility of the customer to reinstall these devices on the vehicle.