MagnaFlow Direct-Fit Catalytic Converter for 1999-2000 Mazda Miata 1.8L (50-State Legal)

Upgrade your 1999-2000 Mazda Miata 1.8L with the MagnaFlow Direct-Fit Catalytic Converter (Part #441771), engineered to deliver the performance and reliability you demand. This 50-State Legal, CARB Compliant catalytic converter keeps your vehicle running smoothly while ensuring your check engine light stays off. With easy DIY installation—no cutting or welding required—you can install this high-quality converter with the proper tools and get back on the road faster.

Key Features:

  • Mandrel-Bent Tubing: Ensures optimal exhaust flow, eliminating flow restrictions for improved performance and efficiency.
  • Stainless Steel Construction: Highly corrosion-resistant, built to withstand harsh driving conditions while ensuring durability and long-lasting performance.
  • Direct-Fit Design: This catalytic converter is designed specifically for the 1999-2000 Mazda Miata 1.8L, ensuring a perfect fit and hassle-free installation.
  • CARB and EPA Compliant: Meets or exceeds California Air Resources Board (CARB) requirements, making it legal for use in California and other CARB-restricted states.
  • OE Interchangeable: Replaces OE parts BP4Y-20-55XH and BP4Z-20-55XH, maintaining factory performance standards.
  • Included Gaskets & Hardware: The included gaskets and hardware ensure a secure, leak-free seal, eliminating the need to reuse old or corroded factory parts.

Why Choose MagnaFlow? MagnaFlow's state-of-the-art 3D scanning and metrology technology ensures that this converter fits and functions just like the original equipment, providing smooth and efficient performance. The high-flow design promotes greater thermal efficiency, and the compact, low-mass construction contributes to overall vehicle performance.

Don’t settle for less. Upgrade to the MagnaFlow Direct-Fit Catalytic Converter and experience enhanced performance, durability, and legal compliance.

Get yours today—boost your Miata’s performance and keep your emissions legal with MagnaFlow!



This Part Fits:

Year Make Model Submodel
1999 Mazda Miata 10th Anniversary
1999-2000 Mazda Miata Base
2000 Mazda Miata LS
2000 Mazda Miata SE

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.

Related Products

Recently Viewed Products