Left & Right Catalytic Converter Compatible with 2009-2021 Honda Pilot

In this review the reviewer focuses on the Left & Right catalytic converter set built for a long list of Honda and Acura models; the bottom line is that this EPA compliant replacement is aimed at owners who need a direct-fit, emissions-legal fix without a dealer-level price or long downtime. It is best for those who want a durable stainless-steel unit that clears check engine codes and restores emissions control, and it stands out because it is an EPA certified, direct-fit option that covers many model years from 2008 to 2021.

Key Features

• Wide vehicle fitment: Fits a broad range of Honda and Acura models including Pilot, Accord, Odyssey, Ridgeline, Passport and several Acura models, reducing the need to hunt for a specific part.
• Direct-fit design: Manufactured with high-strength stainless steel and precision welding so installation is straightforward and intended to replace the factory units without extensive modification.
• EPA certified: Contains precious metals to reduce emissions and is compliant with United States Environmental Protection Agency regulations for 46 states.
• Durability: Built with advanced laser cutting and welding techniques claimed to improve heat resistance and extend service life under normal driving conditions.
• Code resolution: Customers report the part can clear check engine codes after installation, helping to restore proper engine management and pass emissions checks outside restricted states.

Who It's For

This catalytic converter set is for DIY mechanics and independent shops replacing failed or clogged converters on compatible Honda and Acura models from roughly 2008 through 2021 who need an EPA compliant replacement outside restricted states. It appeals to owners who prioritize a direct-fit stainless-steel unit that aims to match factory geometry and restore emissions control without custom fabrication.

Those who should look elsewhere include vehicle owners in states where this unit cannot be used or shipped, specifically California, Colorado, New York, and Maine, and buyers seeking an OE-branded dealer part or a converter certified to meet state-specific CARB requirements for those restricted states.

Pros & Cons

Pros

• Good fitment across many Honda and Acura models, which simplifies sourcing the correct replacement.
• EPA certification means the part is designed to reduce emissions using precious metal substrates.
• Direct-fit stainless-steel construction aims to provide a durable, heat-resistant replacement that can be installed without major modifications.
• Customers report effective code resolution and relatively easy installation for most applications.

Cons

• Mixed feedback on perceived build quality means some buyers consider the part lower quality than expected compared with OEM units.
• Cannot be used or shipped to certain states (California, Colorado, New York, Maine), limiting availability for some owners.

Specifications

Brand	CIRconvert
Compatibility	Honda Pilot, Accord, Odyssey, Ridgeline, Passport; Acura MDX, RDX, RL, RLX, TL, TLX, TSX, ZDX
Model years covered	2008-2021 (varies by model)
Interchange part numbers	16658, 16643
Material	High-strength stainless steel with precious metal substrate
Certification	EPA compliant (not for use in CA, CO, NY, ME)
Warranty	50,000-mile limited warranty

Our Verdict

The Left & Right catalytic converter pair is a pragmatic, cost-effective replacement for many Honda and Acura owners outside restricted states; it delivers reliable fitment, EPA compliance, and the potential to clear emissions codes with minimal fuss. While build quality feedback is mixed compared with OEM units, the stainless-steel construction and direct-fit design make it a sensible buy for DIY installers and independent shops needing a budget-friendly, emissions-legal solution.

Frequently Asked Questions

Will this converter fit my 2015 Honda Pilot?
Yes, 2015 Honda Pilot is included in the listed fitment range for the Left & Right converter set.

Can this be shipped and installed in California?
No, the product cannot be used or shipped to California, Colorado, New York, or Maine due to state regulations.

Does it clear check engine codes?
Many customers report that installing this direct-fit converter successfully clears emissions-related check engine codes in compatible vehicles.