GCA Performance O2 Spacers Mini Catalytic Converters

Description

For anyone running GCA Performance catless downpipes, these O2 spacers are one of the cheapest and most effective ways to keep your check engine light (CEL) from triggering after the install. 

When you remove the factory catalytic converters, the downstream oxygen sensor reads the difference immediately and throws a CEL, these spacers solve that problem cleanly without needing to touch a tune or run a bluetooth CEL hider.

Each spacer houses a small mini catalytic converter that sits between the downstream O2 sensor and the main exhaust stream. The mini cat reduces the exhaust sample reaching the sensor just enough to keep the readings within the factory-expected range, tricking the ECU into thinking the main cats are still doing their job.

They’re precision machined from high-temperature resistant materials, and are built to handle sustained exhaust heat without degrading over time. 

Universal fit for the standard M18x1.5 O2 sensor thread found across all GCA Performance downpipes. You just need to screw the sensor out of the downpipe, thread the spacer in, and screw the sensor back into the spacer. 

Takes less than five minutes per side.

We Stand Behind Our Products

• All items from us have a 1-Year Warranty! 

Specs

• Fits: All Car Models (Audi BMW Mercedes-Benz)
• Material: High Quality T304 Stainless Steel
• Catalytic Converter: Made with real Precious metals
• Engineered to complement our GCA Performance Downpipes
• Offered in both 90 degree and 180 degree (straight) variations
  • Both variations work the same, however the 90 degree variation is used when the straight spacer is not possible
• SOLD INDIVIDUALLY (If your car has 2 downpipes, you need to purchase a quantity of 2)
• 100% Reversible, always able to go back to stock at any time
• *We do not guarantee this will prevent a CEL, however we have had great results of customers using these with our Catless & Catted Downpipes* 

Shipping

• FREE SHIPPING to the lower 48 States!
• 5-8 Business Days depending on location
• We ship all of our products through UPS or FedEx

We always recommend Professional Installation. 

Emissions Non-Compliance. Removing, disabling, or altering emissions equipment on a pollution-controlled road vehicle is illegal. Installing devices or software that trick, disable, or modify emissions controls and monitors on a pollution-controlled road vehicle is also illegal. This product is sold only for racing, competition, track, hobby, or other off-road use. Its use is prohibited in any motor vehicle that is subject to emissions inspection or control. Legal in California only for racing vehicles that may never be used, or registered or licensed for use, upon a highway. 

DISCLAIMER: This product removes the OEM catalytic converters from the vehicle, and as such, is strictly intended for closed track events and off-road use only, never to be driven on public roads. This product is or contains a Racing Cat Bypass Pipe, which will give you check engine lights on OBD2 cars. We suggest pairing this product with racing software to prevent fault codes and check engine lights. Racing Cat Bypass Pipes are solely intended for track and race cars as they are NOT California Air Resources Board Certified (CARB) and not EPA certified. You are hereby informed and warned to check your local, state, and federal laws before buying and installing these or any aftermarket parts to be sure whether usage is in violation. All installation-risk and use-risk is borne by the end-user and installer of these parts.