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Home / Exhaust / Catalytic Converter Direct Fit / MagnaFlow 15-17 RC350 V6 3.5 OEM Underbody Direct Fit Converter
Magnaflow

MagnaFlow 15-17 RC350 V6 3.5 OEM Underbody Direct Fit Converter

PART 21-051CATEGORY Catalytic Converter Direct Fit
$1,278.00
$1,278.00
1

Product information

Manufacturer information. Check the part number and installation requirements for your vehicle.

Supplier details checked 2026-09-23 · Test catalog

Product description

Magnaflow OEM Grade Direct-Fit Catalytic Converter

OEM Grade Direct-Fit Catalytic Converter

Features

Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last

Mandrel bent tubing retains OEM-like design and geometry, ensuring smooth exhaust flow for peak fuel economy and engine operation

OE-sized barbed exhaust hangers made from corrosion-resistant 410 stainless steel, designed to reduce noise and vibration

High Strength 16 Gauge 409 Stainless Steel Tubing For Exceptional Corrosion Resistance And Maximum Service Life

Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency

Expertly Crafted To Replicate Oem-Like Flow Dynamics/Maintaining Factory Performance And Fuel Efficiency

Precision Stamped Collector Design For Optimal Exhaust Flow/Engine Efficiency And Fuel Economy

Torca Accuseal Exhaust Clamps Provide A Full 360-Degree Equally Distributed Clamping Force

Simplifies Installation With Essential Gaskets And Hardware Being Included In The Box

Your Trusted Source For EPA-Compliant Catalytic Converters

Mandrel Bent Tubing Retains Oem-Like Design And Geometry

Durable 308 stainless steel MIG welds

Manufacturer notes

Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 21-051. 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 2015-2017 Lexus RC350 and interchanges with OE part 17410-31B80. 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 California or Federal/EPA Emission systems.

Not legal for sale or installation in California; Colorado or New York.

Not legal for sale or installation in California, Colorado or New York.

Supplier category
Exhaust, Mufflers & Tips
Supplier subcategory
Catalytic Converter Direct Fit
UPC / barcode
888563140162
Units per product
1
Supplier Proposition 65 status
N
Supplier EPA status
Compliant
Air freight prohibited
No
Not CARB approved
Yes
CARB acknowledgement required
Yes
Freight delivery required
No
Powersports product
No
More manufacturer information

Other product descriptions

MagnaFlow 15-17 RC350 V6 3.5 OEM Underbody Direct Fit Converter

Catalytic Converter

OEM Grade

OEM

About the manufacturer

Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 21-051. 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 2015-2017 Lexus RC350 and interchanges with OE part 17410-31B80. 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 California or Federal/EPA Emission systems.

Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 21-051. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this 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 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 to fit the 2015-2017 Lexus RC350 3.5L. MagnaFlow 21-051 includes (2) Flat Ring Gaskets, (2) Torca Clamps and interchanges with OE parts 17410-31B80. 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.

Additional manufacturer information

Exhaust,MagnaFlow,Catalytic Convertor,Cadillac Convertor,Convertor,Emissions

OEM Grade Direct-Fit Catalytic Converter 21-051

OEM Grade Direct-Fit Catalytic Converter-Lexus

CatConverter

25173701

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MagnaFlow 15-17 RC350 V6 3.5 OEM Underbody Direct Fit Converter | Q40 Motorsports