MagnaFlow Direct-Fit Catalytic Converter (California-Compliant) for 1999-2005 Mazda Miata 1.8L - Part #452992

Keep your Miata running at its best while staying street legal with the MagnaFlow Direct-Fit Catalytic Converter designed specifically for the 1999-2005 Mazda Miata 1.8L. This CARB-compliant, California-grade catalytic converter ensures you stay within emissions standards and keeps your check engine light off.

Key Features & Benefits:

  • Direct Fit, No Welding Required: Easy installation with no cutting or welding. This converter is designed to fit like the original, making the installation process seamless.
  • Superior Construction: Made with highly corrosion-resistant stainless steel and mandrel-bent tubing, the MagnaFlow converter eliminates exhaust flow restrictions for enhanced performance and durability.
  • CARB Compliant: Specifically engineered to meet the rigorous standards set by the California Air Resources Board (CARB), making it perfect for use in California and other CARB-regulated states.
  • Laser Fusion Welds & Compact Design: The single laser fusion weld and compact, low-mass design offer improved thermal efficiency while reducing the risk of leaks.
  • OE Fitment & Interchangeability: Designed to work with OEM parts, this catalytic converter directly replaces OE part numbers BP4Y-20-500C and BP4Y-20-500B, ensuring a perfect fit.
  • Included Gaskets & Hardware: Avoid potential exhaust leaks with the included gaskets and hardware that ensure a proper seal, eliminating the need to reuse corroded factory components.

Whether you're looking to maintain stock emissions compliance or enhance the overall performance of your Mazda Miata, the MagnaFlow Direct-Fit Catalytic Converter is built to deliver.

Why Choose MagnaFlow? Trusted by car enthusiasts and racers alike, MagnaFlow products are known for their quality, durability, and performance. With a commitment to precision, the latest 3D scanning technology, and a reputation for excellence, MagnaFlow continues to be a top choice for performance exhaust components.

Take action now and keep your Miata performing at its peak while staying within the law. Add the MagnaFlow Direct-Fit Catalytic Converter to your cart today!



This Part Fits:

Year Make Model Submodel
1999 Mazda Miata 10th Anniversary
1999-2005 Mazda Miata Base
2000-2005 Mazda Miata LS
2004-2005 Mazda Miata Mazdaspeed
2000-2003 Mazda Miata SE
2003 Mazda Miata Shinsen

Shipping Policies

Free Shipping on all orders over $56.

For orders under $56, we offer ground shipping for only $9.99.

Need your parts faster? Flat-rate expedited shipping options are available.

Standard delivery in 3-5 business days or less.

For in-stock items, our free ground shipping reaches any of the 48 contiguous U.S. states in 5 business days or less.

International Shipments

Garage 56 Engineering provides the best service and quality parts to customers all over the globe every day. We understand that purchasing parts internationally can be stressful and would like you to know we are committed to helping at every step of the way.

Transit times listed on the website are estimates and will vary depending on your location as well as the amount of time it will take your government to process the order through customs. In most cases, orders take around a week to arrive but can be closer to two to three weeks to some countries.

You may be charged a duty (tax) on your order. We do not handle this tax and your local customs agency will charge you the correct amount per your local laws. It is your responsibility to review and understand these taxes when ordering.

Please note that our fitment data and vehicle selector is for United States of America Market cars only. If you are searching for parts for an international car please search for exact part numbers.


Return Policies

We have a 365-day return policy, which means you have 1 year after receiving your item to request a return. 

To be eligible for a return, your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging. You’ll also need the receipt or proof of purchase.

To start a return, you can contact us at info@garage-56.com. If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.

You can always contact us for any return question at info@garage-56.com.

Damages and issues
Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.

Exceptions / non-returnable items
Certain types of items cannot be returned, like perishable goods (such as food, flowers, or plants), custom products (such as special orders or personalized items), and personal care goods (such as beauty products). We also do not accept returns for hazardous materials, flammable liquids, or gases. Please get in touch if you have questions or concerns about your specific item.

Unfortunately, we cannot accept returns on sale items or gift cards.

Exchanges
The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.

Refunds
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund too.

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