Tuneable o2 Sensor Kit
Must be used with the Tunable o2 Sensor Kit Jet for a complete kit.
This O2 sensor extension and brass gasket help complete your build. Made of 304 Stainless Steel with M18 x 1.5 thread size. Must be used with the O2 Sensor Fitting for a complete kit.

Not California exhaust compliant | No implied CARB certification | Off-road use only
CALIFORNIA WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov