1999 Mazda Miata Catalytic Converters

Enhance and Protect Your 1999 Mazda Miata with Quality Catalytic Converters

Maintaining the performance of your 1999 Mazda Miata starts with choosing the right parts, and a high-quality Catalytic Converter helps ensure a reliable and efficient vehicle. At Advance Auto Parts, we offer Catalytic Converters specifically for the 1999 Mazda Miata, ensuring a perfect fit and lasting durability. Choosing to shop with Advance Auto Parts means you’re making a smart decision to prioritize both quality and reliability for your vehicle.

Affordable and Reliable Catalytic Converters for Every Budget

Finding a Catalytic Converter that combines quality with affordability is easy at Advance Auto Parts. With prices starting as low as $172.99 and an average price of $391.35, you can choose one that fits your budget while delivering the quality you expect. Our Catalytic Converters are competitively priced, ranging from $172.99 to $724.99, so you get value without compromising on strength or reliability.

Trusted Brands and Top-Rated Options

With 11 Catalytic Converters from 2 trusted brands in stock, Advance Auto Parts has you covered. Our Catalytic Converters for the 1999 Mazda Miata have earned reviews from over 11 customers, with an average 4 stars rating across the board. Popular options include Catalytic Converter- EPA Ultra, Universal/ Fabrication Needed, OEM Grade Federal / EPA Compliant Universal Catalytic Converter, and HM Grade Federal / EPA Compliant Universal Catalytic Converter, starting at $172.99. Our selection includes highly regarded brands such as Walker and Magnaflow, and more, offering you top-notch reliability. For example, we have 2 Walker Catalytic Converters starting at $172.99 with an average rating of 4 stars, 9 Magnaflow options from $188.99 with a 4 stars rating.

Explore Related Parts for a Complete Solution

To further enhance your 1999 Mazda Miata, don’t miss our related parts categories, including Catalytic Converter Gaskets. These additions will round out your repair or upgrade project and ensure your vehicle is ready for any adventure.

Catalytic Converters for Your 1999 Mazda Miata

Walker – Catalytic Converter- EPA Ultra, Universal/ Fabrication Needed (Part No.93236)

Catalytic Converter- EPA Ultra, Universal/ Fabrication Needed

from

$172.99
Designed to comply with EPA emissions requirements while delivering premium performance and durability with assured compliance, Walker® Ultra® Universal Catalytic Converters are available for import and domestic OBDII (1996 and newer) vehicles.

Product Features:
  • EPA COMPLIANT — For use on OBDII vehicles, 1996 and newer. Not legal for sale or use in CA, CO & NY. Legal in ME on EPA Federal Emission Equipped Vehicles only. Consult your state’s aftermarket converter regulations for details.
  • KEEPS CHECK ENGINE LIGHT OFF FOR EMISSIONS CODES — OE-style high-technology washcoat and optimal precious metal load delivers required reduction in tailpipe emissions to match vehicle application
  • DURABLE — Features stainless-steel body with aluminized pipe and heat shields for durability
  • FLEXIBLE SOLUTION — Customizable design features expandable bushings for easy fitment and may require specialized fabrication and/or welding for installation
  • OE-STYLE DESIGN — Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter
  • BUY WITH CONFIDENCE — Backed by Walker’s 25,000-mile/40,000-kilometer emissions and 5-year 50,000-mile/80,000-kilometer structural integrity warranty. Visit Walkerexhaust.com for details.
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MagnaFlow – OEM Grade Federal / EPA Compliant Universal Catalytic Converter (Part No.51355)

OEM Grade Federal / EPA Compliant Universal Catalytic Converter

from

$202.99
MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51355 helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with California or Federal/EPA Emission systems.

Product Features:
  • Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off.
  • Compact, lightweight construction enables installation in confined areas, welding is required.
  • Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
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MagnaFlow – HM Grade Federal / EPA Compliant Universal Catalytic Converter (Part No.99004HM)

HM Grade Federal / EPA Compliant Universal Catalytic Converter

from

$222.99
MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99004HM helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems.

Product Features:
  • Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off.
  • Compact, lightweight construction enables installation in confined areas, welding is required.
  • Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
See More

MagnaFlow – OEM Grade Federal / EPA Compliant Universal Catalytic Converter (Part No.51004)

OEM Grade Federal / EPA Compliant Universal Catalytic Converter

from

$231.99
MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51004 helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with California or Federal/EPA Emission systems.

Product Features:
  • Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off.
  • Compact, lightweight construction enables installation in confined areas, welding is required.
  • Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
See More

MagnaFlow – HM Grade Federal / EPA Compliant Universal Catalytic Converter (Part No.99355HM)

HM Grade Federal / EPA Compliant Universal Catalytic Converter

from

$188.99
MagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99355HM helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems.

Product Features:
  • Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off.
  • Compact, lightweight construction enables installation in confined areas, welding is required.
  • Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
See More

MagnaFlow – California Grade CARB Compliant Direct-Fit Catalytic Converter (Part No.452992)

California Grade CARB Compliant Direct-Fit Catalytic Converter

from

$724.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 452992. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun body converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE spun body design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This direct-fit catalytic converter is designed specifically for the 1999-2005 Mazda Miata and interchanges with OE parts BP4Y-20-500C and BP4Y-20-500B. Avoid potential exhaust leaks by using the included gaskets to get a proper seal. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.

Product Features:
  • Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency.
  • Simplifies installation with essential gaskets and hardware being included in the box.
  • Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
See More

Walker – Catalytic Converter- EPA Ultra, Direct Replacement, No Fabrication Needed (Part No.56062)

Catalytic Converter- EPA Ultra, Direct Replacement, No Fabrication Needed

from

$641.99
Designed to comply with EPA standards while delivering premium performance with assured compliance, Walker Ultra Direct-Fit Catalytic Converters provide premium performance and are available for import and domestic OBDII (1996 and newer) vehicles.

Product Features:
  • EPA COMPLIANT — For use on OBDII vehicles, 1996 and newer. Not legal for sale or use in CA, CO or NY. Legal inME on EPA Federal Emission Equipped Vehicles only. Consult your state’s aftermarket converter regulations for details.
  • DIRECT-FIT DESIGN — Direct-fit bolt-on replacement solution with OE-style hangers, brackets, routings and heat shields for easy installation that doesn’t require specialized fabrication and/or welding
  • KEEPS CHECK ENGINE LIGHT OFF FOR EMISSIONS CODES — OE-style high-technology washcoat and optimal precious metal load delivers required reduction in tailpipe emissions to match vehicle application
  • STRONG AND DURABLE — Features thick OE-style flanges, hangers and brackets for strength and durability
  • OE-STYLE DESIGN — Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter
See More

MagnaFlow – HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.24095)

HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

from

$584.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 24095. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun body converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE spun body design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This direct-fit catalytic converter is designed specifically for the 1999-2000 Mazda Miata and interchanges with OE parts BP4Y-20-500C and BP4Y-20-500B. Avoid potential exhaust leaks by using the included gaskets to get a proper seal. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems.

Product Features:
  • Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency.
  • Simplifies installation with essential gaskets and hardware being included in the box.
  • Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
See More

MagnaFlow – California Grade CARB Compliant Universal Catalytic Converter (Part No.441004)

California Grade CARB Compliant Universal Catalytic Converter

from

$503.99
MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 441004 helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.

Product Features:
  • Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off.
  • Compact, lightweight construction enables installation in confined areas, welding is required.
  • Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
See More

MagnaFlow – HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter (Part No.23771)

HM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

from

$494.99
MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 23771 helps keep the check engine light off. DIY installation is easy with the proper tools (no cutting or welding required). With features including mandrel-bent tubing to eliminate flow restrictions and stainless steel construction to resist corrosion, you can have confidence in the quality of this catalytic converter. Using state-of-the-art 3D scanning systems in the design process, the MagnaFlow metrology department ensures this new part to fit and function like the original equipment. This direct-fit catalytic converter is designed specifically for the 1999-2005 Mazda Miata and interchanges with OE parts BP4Y-20-55XH and BP4Z-20-55XH, among others. The included gaskets & hardware reduce the possibility of a leaking seal while avoiding the need to reuse corroded factory parts for installation. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with Federal/EPA Emission systems.

Product Features:
  • Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off.
  • Simplifies installation with essential gaskets and hardware being included in the box.
  • Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
See More

MagnaFlow – California Grade CARB Compliant Universal Catalytic Converter (Part No.457105)

California Grade CARB Compliant Universal Catalytic Converter

from

$333.99
MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 457105 helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. This replacement part is designed to meet or exceed California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.

Product Features:
  • Expertly formulated catalyst blend maximizes efficiency, ensuring optimal emissions control to keep your check engine light off.
  • Compact, lightweight construction enables installation in confined areas, welding is required.
  • Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last.
See More

FAQs for 1999 Mazda Miata Catalytic Converters

Which Catalytic Converters are the top sellers for the 1999 Mazda Miata?

Out of 11 Catalytic Converters that fit 1999 Mazda Miatas, the following parts are the top sellers:
Catalytic Converter- EPA Ultra, Universal/ Fabrication Needed
from $172.99
(11)
Catalytic Converter- EPA Ultra, Universal/ Fabrication Needed
Catalytic Converters
OEM Grade Federal / EPA Compliant Universal Catalytic Converter
from $202.99
This product is not rated
OEM Grade Federal / EPA Compliant Universal Catalytic Converter
Catalytic Converters
HM Grade Federal / EPA Compliant Universal Catalytic Converter
from $222.99
This product is not rated
HM Grade Federal / EPA Compliant Universal Catalytic Converter
Catalytic Converters

How can I make sure that a part will be compatible with my 1999 Mazda Miata?

Our Mazda Miata aftermarket and OEM parts are designed specifically for the 1999 model. You can always find your specific fitment and compatibility for your 1999 Mazda on an individual product page.

What is the price range for 1999 Mazda Miata Catalytic Converters?

The range of prices of Catalytic Converters for the 1999 Mazda Miata goes from $172.99 up to $724.99 for the most premium parts.

What is the average price of a 1999 Mazda Miata Catalytic Converter?

1999 Mazda Miata Catalytic Converters average $391.35 for our selection of OEM and aftermarket parts. Keep in mind the variety of brands we offer, such as Walker Magnaflow, and more, so you are likely to find a wide range of prices across a variety of brands and products.

Does Advance Auto Parts sell Catalytic Converters for other Mazda Miata model years?

Yes, we currently stock Catalytic Converters for 14 model years of Mazda Miatas, from 1990 to 2005. Model years 2005, 2004, 2003, 2002, 2001, 2000, 1997, 1996, and 1995 are the most popular for Catalytic Converter purchases.

Can I get help with 1999 Mazda Miata Catalytic Converter orders?

Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Mazda Catalytic Converters and more.

What is your return policy for Mazda Miata Catalytic Converters?

Advance Auto Parts keeps returns simple. For new Mazda Miata Catalytic Converters and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.