Rev9 o2 Bung Sensor Defouler Extender Adapter Cel Fix M18x1.5 Straight 90 Degree

O2 sensor defouler is a very effective tool for avoiding Check Engine Lights(CEL). Pulls the Oxygen Sensor further away from the exhaust gas stream. Have a check engine light in your vehicle for cat efficiency codes due to not having a catalytic converter on your car? If you answered yes, then you need this piece of tool. Its a easy to install, simply tighten by hand without any tools.

• Avoid Check Engine Light(CEL) 
• 90 Degrees To Extend O2 Sensor For Better Clearance
• Simply Install and Tighten By Hand Without Any Tools
• M18 x 1.5 Thread For All Standard O2 Sensors