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Mazda Miata Catalytic Converter

We have 7 Items In-stock. Select a year to continue.
$69.92 List Price $82.51 Save $12.59 Availability: In Stock
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EASTERN ECO II SERIES CATALYTIC CONVERTER

Specifications:

  • With oxygen sensor port provision
  • 30 years of innovation is proof enough that Eastern is the best manufacturer of the finest aftermarket and original equipment catalytic converters on the market. Their ECO Series Catalytic Converters which are designed to help keep the Check Engine Light (MIL) off is another set of catalytic converters with world class quality.

    The Eastern ECO II Series Catalytic Converter is made specifically for most complex or second generation on board diagnostic (OBD II) systems. It features wash coats with greater loadings of precious metals to handle applications with ultra low emissions, higher than normal emissions, as well as vehicles with higher mileage and heavier workloads.

    The Eastern ECO II Series Catalytic Converter's features in a nutshell:

    • Engineered with Eastern's proprietary NANO technology yielding highly efficient loadings for lower cost and better converter efficiency
    • Features an advanced materials design for maximum engine output and performance

    Not legal for sale in California and New York; Cannot be shipped to CA or NY addresses.

    • SKU#: EAST82725
    • Brand: Eastern
    • Fit Note: For Vehicles with California Emission System
    • Product Fit: Minor Modifications
    • Quantity Sold: Sold Individually
    • Tube Material: Aluminized Steel
    • Anticipated Ship Out Time: 1-2 Business Days
    • Catalyst Substrate Material: Ceramic honeycomb
    (see more)
    Fits the following Mazda Miata Years:
    • 2000 | 4 Cyl 1.8L | LS, SE
    • 1999-2000 | 4 Cyl 1.8L | Base
    (see more)
    Rating: (see review/s)

    "found this web site & got a good deal.fast shipping and a great sales person who took my order." posted by: on July 30, 2014

    "no fuss went on without any problems said OE and it was." posted by: stan on March 23, 2014 view all 6 reviews

    $108.98 List Price $141.03 Save $32.05 Availability: In Stock
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    • Not legal for use in California or in states adopting the California emissions standards
    • Semi-universal design – cut out your old catalytic converter and weld in the new one
    • Stainless Steel Construction
    • Legendary Magnaflow quality, power, and sound
    • Ceramic, honeycomb catalyst designed for maximum flow and surface area

    When you want the best, you want Magnaflow!  These 49-State Legal semi-universal catalytic converters have a catalyst specifically designed for your vehicle – just cut out your old catalytic converter and weld in the new one.  Engineered to cut emissions and improve performance.

    • SKU#: M6699004HM
    • Brand: Magnaflow
    • Fit Note: Automatic Transmission
    • Quantity Sold: Sold Individually
    • Tube Material: Stainless Steel
    • Anticipated Ship Out Time: 1-2 Business Days
    • Catalyst Substrate Material: Ceramic honeycomb
    • Dimensions: 12 in. L x 6.5 in. W, 16 in. overall length
    (see more)
    Fits the following Mazda Miata Years:
    • 2000-2005 | 4 Cyl 1.8L | LS
    • 1999-2005 | 4 Cyl 1.8L | Base
    Rating: (see review/s)

    "It was easy for the installer to install. Did not affect the Oxygen Sensor, and now I got super great mileage, from less than 20 mpg, I now get 26.5 mpg." posted by: Gil on March 15, 2010

    $186.97 List Price $466.52 Save $279.55 Availability: In Stock
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    Davico Catalytic Converter

    Davico Manufacturing is committed to producing hard to find and specialized exhaust parts for the customer's satisfaction. Its catalytic converter is an example of the company's outstanding dedication.

    Davico Catalytic Converter's design enables the conversion of harmful compounds into less dangerous gasses to help in pollution control without reducing its efficiency. Designed for many makes and models, this converter is easy to install.

    Specifications:

    • Does not include gasket
    • Does not require sliding, cutting, clamping, or welding
    Note: Not legal for sale in California and New York; Cannot be shipped to CA or NY addresses.

    • SKU#: DAV18234
    • Brand: Davico
    • Product Fit: Direct Fit
    • Quantity Sold: Assembly
    • Tube Material: Aluminized Steel
    • Anticipated Ship Out Time: 1-2 Business Days
    • Catalyst Substrate Material: Ceramic honeycomb
    (see more)
    Fits the following Mazda Miata Years:
    • 2000 | 4 Cyl 1.8L | LS, SE
    • 1999-2000 | 4 Cyl 1.8L | Base
    (see more)
    $322.07 List Price $715.08 Save $393.01 Availability: In Stock
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    CATCO CATALYTIC CONVERTER ASSEMBLY

    Catco catalytic converters are designed with 409 stainless steel pipes and shell for longer life.

    Specifications
    • 2-bolt flange welded inlet
    • 2-bolt flange welded with gasket stub outlet
    • Standard assembly with two catalytic converter
    • Oval body
    • 68.25 in. overall length
    • Single inlet and outlet configuration
    Not legal for sale in California and New York; Cannot be shipped to CA or NY addresses.

    • SKU#: CAT4063
    • Brand: Catco
    • Quantity Sold: Assembly
    • Tube Material: Stainless Steel
    • Anticipated Ship Out Time: 1-2 Business Days
    • Catalyst Substrate Material: Ceramic honeycomb
    • Dimensions: 68.25 in. overall length
    (see more)
    Fits the following Mazda Miata Years:
    • 2002 | 4 Cyl 1.8L | Base, LS, SE
    $62.37 List Price $152.72 Save $90.35 Availability: In Stock
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    WALKER CATALYTIC CONVERTER, UNIVERSAL

    Walker catalytic converters feature OE style design and fit, thicker OE-quality flanges, oxygen sensor fittings, heat-shielded pipe, and structural brace for enhanced strength and durability.

    Features
    • Higher loaded substrate
    • Easy bolt-on installation
    Not legal for sale in California and New York; Cannot be shipped to CA or NY addresses.

    • SKU#: WK15036
    • Brand: Walker
    • Quantity Sold: Sold Individually
    • Tube Material: Stainless Steel
    • Anticipated Ship Out Time: Same day - 1 business day
    • Dimensions: 13.25 in. overall length
    • Warranty: 5-year or 50,000-mile Walker limited warranty
     
    Fits the following Mazda Miata Years:
    • 1994 | 4 Cyl 1.8L | Base, M Edition
    • 1993 | 4 Cyl 1.6L | LE
    (see more)
    Rating: (see review/s)

    "the cat converter is of great quality and was easy to install. I had an exhaust store install it and they wanted to know where I got it." posted by: ZZ 1951 me myself on March 30, 2014

    View All
    $360.54 List Price $425.44 Save $64.90 Availability: In Stock
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    BOSAL CATALYTIC CONVERTER ASSEMBLY

    Bosal catalytic converters are made to fit vehicle-specific requirements for backpressure, emissions, sound levels, and sensors. Designed and built for long life reliability.

    Specifications
    • Flange inlet
    • Flange outlet
    • Standard assembly with two catalytic converters
    • Oval body
    • 67 in. L x 9 in. W x 7 in. H
    • Single inlet and outlet configuration
    Not legal for sale in California and New York; Cannot be shipped to CA or NY addresses.

    • SKU#: BO099279
    • Brand: Bosal
    • Quantity Sold: Assembly
    • Tube Material: Aluminized Steel
    • Anticipated Ship Out Time: Same day - 1 business day
    • Dimensions: 67 in. L x 9 in. W x 7 in. H
    • Warranty: 5-year or 25,000-mile Bosal limited warranty
     
    Fits the following Mazda Miata Years:
    • 2002 | 4 Cyl 1.8L | Base, LS, SE
    $481.67 List Price $1,445.00 Save $963.33 Availability: In Stock
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    BENCHMARK CATALYTIC CONVERTER

    Benchmark catalytic converters are considered to be the industry's standard replacement catalytic converter. It is the recognized leader in fitment and durability. It features perfect fit and repeatability and its performance results are continually monitored by Benchmark's internal emissions laboratory to insure quality loadings which eliminate OBDII issues caused by many universal catalysts.

    Not legal for sale in California and New York; Cannot be shipped to CA or NY addresses.

    • SKU#: BEN2180
    • Brand: Benchmark
    • Quantity Sold: Sold Individually
    • Tube Material: Steel
    • Anticipated Ship Out Time: 1-2 Business Days
    • Warranty: 5-year or 50,000-mile Benchmark limited warranty
     
    Fits the following Mazda Miata Years:
    • 2003 | 4 Cyl 1.8L | Base, LS, SE, Shinsen
    View Less
    Select more Mazda Miata parts under Catalytic Converters & Components from list below.

    What adds up to your Mazda Miata's efficiency is its ever-reliable emissions system, which cradles the catalytic converter. The Mazda Miata's catalytic converter is responsible for breaking down hazardous compounds such as nitrogen oxide, carbon monoxide, and hydrocarbons into non-toxic gases. These gases go through oxidation and reduction as they enter the catalytic converter. So when they are released from your car, they won't be causing too much pollution in the environment. So make sure that your catalytic converter is properly maintained because once it malfunctions, it does not only bring about problems in your car's fuel efficiency and engine performance but in your surroundings as well.

    Frequently Asked Questions

    Ask APW
    • How is a high-flow Mazda Miata catalytic converter different from a regular converter?
      Answer: A high-flow catalytic converter has a wider diameter, which allows for a better exhaust flow than the ordinary cat con. And when there is less restriction in the exhaust flow, an increase in the engine's horsepower can be expected. The torque is also boosted, although not in very high levels. So basically both high-flow and regular converters function to clean the exhaust fumes; it's just that the high flow provides a better flow for the exhaust.
    • What causes a Mazda Miata catalytic converter to fail?
      Answer: A catalytic converter usually malfunctions as a result of another problem--much like a domino effect. When it gets clogged, it's not only because unburned fuel is trapped inside the converter. Something else is causing that problem, and it could be due to an uncontrolled fuel delivery by an improperly tuned engine. One should not only look at the immediate causes of a catalytic converter failure. Address the root causes because if not, the same problems will only come up repeatedly no matter how many times the converter is replaced. Another common problem with the Mazda Miata catalytic converter is corrosion. While it seems normal for some car parts to rust away, leaks can cause a converter to become contaminated. Oil and fuel that seep into the converter can seriously damage it. What causes these leaks may root from something outside the converter.
    • What happens when the catalytic converter is removed from Mazda Miata?
      Answer: Note that if the catalytic converter is removed, chances of failing in the emissions test are high. And its removal is actually illegal. Nevertheless, removing the cat con can lead to improvements in horsepower and fuel efficiency. The exhaust gases are released faster and at higher levels, so the backpressure is reduced. Lower backpressure means less strain on the engine, enabling it to operate more efficiently.