O2 Sensor Spacer

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VW Mk5 FSI/TSI 2.5" & 3" Turbo-Back


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Home > Engine Performance

O2 Sensor Spacer

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$33.00

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When an aftermarket high-flow catalytic converter is used on a late model car it’s common to see a CEL (Check Engine Light) come and go. This CEL is usually backed by a fault code that indicates a failed cat. If your new cat is NEW, how could it have failed? Behind the scenes, the factory ECU is comparing the readings from a pair of oxygen sensors to measure the effectiveness of the cat. When a high-flow cat is used the exhaust gases are able to pass by the cat at a much faster rate, disrupting the readings. Our o2 sensor spacer retracts the second oxygen sensor from the direct flow of gases, restoring the balance that the ECU requires when using a high-flow cat.

Our O2 Sensor Spacer is CNC machined from cold roll steel & grade 8.8 metric hardware. After assembly, our spacer undergoes a zinc dichromate plating process which protects the spacer from corrosion. Installation is plug & play. Simply thread in our spacer, thread in the rear o2 sensor, and lock the spacer at the desired angle.

• Strictly for use with a 49 state legal aftermarket high-flow catalytic converter such as the Magnaflow catalytic converter used exclusively in our exhaust systems.
• This product is not intended to and will not provide emissions compliance.
• Emissions laws vary by state. Check local and federal laws before modifying your exhaust system.
• Emissions compliance is the sole responsibility of the vehicle’s owner.

*O2 Sensors currently out of stock until further notice*

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