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Deal.ai › AP Exhaust
AP Exhaust
AP Exhaust 643172 Federal EPA Direct-Fit Catalytic Converter

AP Exhaust 643172 Federal EPA Direct-Fit Catalytic Converter

Best price now

$589.99at CarParts.comChecked Nov 9

Compared across 6 stores. Prices are checked against each store and labelled with when.

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Price facts

  • Last seen at $589.99 at CarParts.com on Nov 9.
  • Checked at 6 stores.

Our take on the AP Exhaust 643172 Federal EPA Direct-Fit Catalytic Converter

The AP Exhaust 643172 is a direct-fit, EPA-compliant catalytic converter with a ceramic substrate and stainless steel construction. It is designed as an OE replacement for specific vehicles, offering hassle-free installation without welding or modification. Compared to universal converters, its direct-fit design saves time and ensures proper fitment. Owners appreciate its reliable performance and easy installation, though some note a check engine light may appear if the downstream oxygen sensor is not in good condition.

Best forOwners of vehicles needing an EPA-compliant replacement converterDIY installers looking for a bolt-on solutionRepair shops seeking a reliable direct-fit unit
Pros
  • Direct-fit design simplifies installation
  • 409 stainless steel construction resists corrosion
  • EPA approved for legal use in most states
  • Ceramic substrate provides efficient emissions reduction
Cons
  • Not legal for sale or use in California
  • May require additional parts like gaskets or bolts
  • Some users report check engine light issues if other components are faulty

AP Exhaust 643172 Federal EPA Direct-Fit Catalytic Converter prices at every store

  • CarParts.comNew

    In stock

    $589.99Checked Nov 9
    Visit CarParts.com
  • Summit RacingNew

    In stock

    $602.99Checked Nov 9
    Visit Summit Racing
  • FinditParts.comNew

    In stock

    $673.49Checked Nov 9
    Visit FinditParts.com
  • AutoZoneNew

    In stock

    $871.99Checked Nov 9
    Visit AutoZone
  • eBayNew

    Availability unknownSold by restauco-parts (99.3% positive, 3,200 ratings)Returns: Set by the eBay seller; the eBay Money Back Guarantee covers an item that doesn't arrive or isn't as described.

    $576.77+ $54.88 shippingChecked Nov 9
    Visit eBay
  • JEGS High PerformanceNew

    Out of stock

    $602.99Checked Nov 9
    Visit JEGS High Performance

Store links may earn us a commission.

AP Exhaust 643172 Federal EPA Direct-Fit Catalytic Converter price history

Lowest price we've seen: $589.99 on Nov 9 at CarParts.com. Tracked across 5 stores since Nov 9.

What reviewers say

Reviewers generally find the AP Exhaust 643172 easy to install and effective at resolving emissions issues. Many praise its direct-fit design and sturdy build, though a few mention that it may not fix problems if the oxygen sensor or other parts are worn.

What people mention
  • InstallationPraisedUsers say it bolts on easily with basic tools and fits like the original.
  • Build qualityPraisedThe stainless steel construction is described as sturdy and corrosion-resistant.
  • Check engine lightMixedSome report the light stays off after replacement, while others say it returns due to other sensor issues.
  • ComplianceCriticisedIt is not legal for use in California, which limits its applicability.

Specifications

Material Type
Stainless steel
Component Type
Catalytic Converter
Length
62.00" (box length)
Standards Compliance
EPA Approved
Catalyst Type
Ceramic
Substrate Material
Clean by Design ceramic substrates
Mounting Type
Direct Fit

Questions and answers

Is this catalytic converter legal in California?
No, it is EPA-approved but not CARB-compliant, so it cannot be used in California.
Does it come with gaskets and bolts?
Typically, it does not include gaskets or bolts; you may need to reuse existing hardware or purchase new ones.
Will it fit my vehicle?
It is a direct-fit converter for specific vehicles; check the application chart or verify with the seller using your vehicle's year, make, and model.
Can it be welded instead of bolted?
It is designed for direct bolt-on installation, but welding is possible if desired, though it may void warranties.
How long does installation take?
For a direct-fit converter, installation usually takes about 1-2 hours for a DIYer with basic tools.
Where is the AP Exhaust 643172 Federal EPA Direct-Fit Catalytic Converter cheapest?
At CarParts.com, for $589.99, as of our latest check.
Where can I buy the AP Exhaust 643172 Federal EPA Direct-Fit Catalytic Converter?
6 stores we checked sell it, including eBay, CarParts.com, Summit Racing, JEGS High Performance, FinditParts.com.

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Finish
409 stainless steel shell and neck construction
Inlet Type
Single
Outlet Type
Single
Design Highlights
Catalytic Converter
Compatibility Notes
Direct Fit