All it is is a sparkplug non-fouler or anti-fouler. Just happens to be the right size to screw an O2 sensor into and gets the sensor out of the exhaust stream.


2001 Sportage, TJ 106's, Everet spacers and bumpstops, Bilstein shocks on the rear, cone filter, Crager wheels, 235-75-15 Goodyear tires. Custom front winch bumper by Dave Scott. Currently DOA, but it is a work in progress.
2011 Kia Forte EX