There is no catalytic converter inside this little oxygen sensor spacer! In older cars or race cars, it can be used to prevent Check Engine lights.
The effectiveness of this system depends on many factors, such as sensor location, exhaust heat, and so on. It is possible that your mileage will vary.
The oxygen sensor plugs into the spacer after being threaded into the stock rear oxygen sensor bung. Handle the oxygen sensor with care — it is fragile and easily damaged.
All late-model cars are compatible with this product. Straight or right-angle styles are available.
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