Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
Welcome Offer : Use Code WELCOME5 for 5% OFF!
Free Shipping on Most USA Orders
⚠️ California Proposition 65 Warning : Some products sold on this website may expose you to chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information, visit www.P65Warnings.ca.gov.
SPDZ1 Miniature Cat O2 Sensor Check Engine Light Fix 90° – Large Configuration Eliminate the CEL. Unlock Your Exhaust’s True Sound.
Upgraded your exhaust and now stuck with that pesky check engine light? The SPDZ1 Miniature Cat O2 Sensor CEL Fix (90° Large Configuration) is the solution you’ve been looking for. Designed specifically for high-flow exhaust setups, this sensor adapter is built to simulate proper catalytic function, helping eliminate OBDII codes such as P0420/P0430 – Catalyst System Efficiency Below Threshold.
Each SPDZ1 fouler includes a miniature catalytic converter built inside, offering just enough back pressure and chemical treatment to help fool your rear O2 sensor into thinking everything is running smoothly—without affecting the raw performance of your modified setup.
The large-body version with a 90° angled design provides extra clearance and internal volume, making it ideal for forced induction 6-cylinder builds, V8, and even V12 applications. Still running a 4-cylinder with a high-flow or decat exhaust? No problem—this fouler works there too.
Key Features: ✅ Built-In Miniature Catalyst Element to Reduce CEL Triggering ✅ 90° Angled Design for Tight Spaces and Better Fitment ✅ Perfect for Turbocharged 6-Cylinder, V8, V10, and V12 Engines ✅ Also Effective on High-Performance 4-Cylinder Builds ✅ Eliminates Common CEL Codes Like P0420 & P0430 ✅ Durable, CNC-Machined Steel Construction with Heat-Resistant Coating ✅ Simple Screw-In Installation – No Welding, Cutting, or Tuning Required
Whether you're running aftermarket headers, test pipes, high-flow cats, or full decat systems, the SPDZ1 Miniature Cat O2 Sensor Fix helps keep your dashboard clean while letting your exhaust breathe the way it was built to.
SPDZ1 – Built for Performance. Engineered to Solve.
Yes, we offer free standard shipping on all orders within the United States.
When will I receive my item?
Domestic orders typically arrive within 3-5 business days. Delivery times are estimated and may vary depending on your location, weather conditions, or other unforeseen factors.
Can I change or return my item?
We hope you love your purchase, but if you need to make a change or return your item, we’ve got you covered! You can initiate a return or exchange within 30 days of receiving your order. Please ensure the product is in its original condition and packaging. For more information on our return policy, please visit our Returns & Exchanges page.