Best Automotive Replacement Catalytic Converter Air Tubes in 2026

Daisy
Last Updated: Jul 19, 2026

At a Glance: Our Top Picks for Automotive Replacement Catalytic Converter Air Tubes

Walker Standard EPA 15036 Universal Catalytic Converter
#TOP1
Walker Standard Epa 15036 Universal Catalytic Converter
9.5
PM SCORE
AUTOSAVER88 2.5" inlet/outlet Universal Catalytic Converter Oval Body (EPA Compliant)
#TOP2
Autosaver88 2.5" Inlet/Outlet Universal Catalytic Converter Oval Body
9.4
PM SCORE
MAYASAF 2.5" Inlet/Outlet Universal Catalytic Converter, with O2 Port【EPA Compliant】
#TOP3
Mayasaf 2.5" Inlet/Outlet Universal Catalytic Converter, With O2
9.4
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best Automotive Replacement Catalytic Converter Air Tubes of 2026

Market Overview
Automotive Replacement Catalytic Converter Air Tubes Reviewed
  • Reviews Analyzed: 2904 Items
  • PM Avg. Rating: 5.9 / 10
17 Products Evaluated
  • Highest Price: $329.98
  • Lowest Price: $37.20
  • Avg. Price: $106.72
#TOP1

Walker Standard Epa 15036 Universal Catalytic Converter

WALKER
15036
13.00 X 8.00 X 5.00 Inches
1.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

EPA COMPLIANT -- For use on pre-OBDII vehicles, 1995 and older. Not legal for sale or use in CA, CO and NY. Legal in ME on all pre-OBD vehicles only. Consult your state's aftermarket converter regulations for details.

NO BREAK IN REQUIRED -- Ready to operate with application-specific converter shell design and mat compression, no converter break in required after installation

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.

Autosaver88 2.5" Inlet/Outlet Universal Catalytic Converter Oval Body (Epa Compliant)

AUTOSAVER88
ATCC0004
16.00 X 6.50 X 5.00 Inches
4.50 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

ATTENTION: This item doesn't ship to California & Colorado & New York, please confirm before purchase.

VEHICLE FITMENT: Universal fit for vehicles with 2.5-inch outer diameter exhaust pipe (Note: Professional installation would be highly recommended).

HIGH EFFICIENCY: Internal honeycomb ceramic substrates have porous structure to increase the reaction area, and ensure sufficient catalysts (Pt, Rh, Pd) on the coating surface for a higher conversion rate.

DURABILITY: Adopts heavy-duty T409 stainless steel shell that highly resists heat, rust, and corrosion for longer service life, no worry about bending or melting even in extreme conditions.

WORRY-FREE PURCHASE: EPA Federal Standard Certificated, all AUTOSAVER88's catalytic converters are stamped with an exclusive EPA number on the shell. AUTOSAVER88 offers a 5-year or 50,000 miles limited warranty, for any manufacturer defect.

Mayasaf 2.5" Inlet/Outlet Universal Catalytic Converter, With O2 Port【Epa Compliant】

MAYASAF
MSFTWCC8001
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
MAYASAF AutoParts 9.75

Features

【Attention】 Not ship to states such as California, Colorado, Maine, and New York, etc. Please consult your state’s aftermarket converter regulations before purchase.

【Vehicle Fitment】Standard 2.5 inches inside diameter inlet /outlet, 11 inches overall length. Universal fit for vehicles with similar size outer diameter exhaust pipe. Please make sure this item fits your vehicle.

【Easy Installation】Matched with the original vehicle, installed easily to existing exhaust system. May require cutting and/or welding, professional installation is highly recommended.

【DURABLE】Made from Features HD-Stainless steel, internal structure is carefully designed to provide more oxygen to your engine, fully tested under the extreme conditions for service life.

【Worry-free Aftermarket】EPA Federal Standard Certificated, backed in 2 years or 50,000 miles limited warranty, for any manufacturer defect. Kindly let us know if you have any problems, let's make it right!

Autosaver88 Atcc0007 2.5" Inlet/Outlet Universal Catalytic Converter (Epa Compliant)

AUTOSAVER88
ATCC0007
11.80 X 4.50 X 4.70 Inches
2.87 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

ATTENTION: This item doesn't ship to California and Colorado, please confirm before purchase.

VEHICLE FITMENT: Universal fit for vehicles with 2.5-inch outer diameter exhaust pipe (Note: Professional installation would be highly recommended).

HIGH EFFICIENCY: Internal honeycomb ceramic substrates have porous structure to increase the reaction area, and ensure sufficient catalysts (Pt, Rh, Pd) on the coating surface for a higher conversion rate.

DURABILITY: Adopts heavy-duty T409 stainless steel shell that highly resists heat, rust, and corrosion for longer service life, no worry about bending or melting even in extreme conditions.

WORRY-FREE PURCHASE: EPA Federal Standard Certificated, all AUTOSAVER88's catalytic converters are stamped with an exclusive EPA number on the shell. AUTOSAVER88 offers a 5-year or 50,000 miles limited warranty, for any manufacturer defect.

Autosaver88 Atcc0016 2" Inlet/Outlet Universal Catalytic Converter With Heat Shield (Epa Compliant)

AUTOSAVER88
ATCC0016
13.78 X 4.72 X 4.72 Inches
3.18 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Amazon.com 9.68

Features

ATTENTION: This item doesn't ship to California and Colorado, please confirm before purchase.

VEHICLE FITMENT: Universal fit for vehicles with 2-inch outer diameter exhaust pipe (Note: Professional installation would be highly recommended).

HIGH EFFICIENCY: Internal honeycomb ceramic substrates have porous structure to increase the reaction area, and ensure sufficient catalysts (Pt, Rh, Pd) on the coating surface for a higher conversion rate.

DURABILITY: Adopts heavy-duty T409 stainless steel shell that highly resists heat, rust, and corrosion for longer service life, no worry about bending or melting even in extreme conditions.

WORRY-FREE PURCHASE: EPA Federal Standard Certificated, all AUTOSAVER88's catalytic converters are stamped with an exclusive EPA number on the shell. AUTOSAVER88 offers a 5-year or 50,000 miles limited warranty, for any manufacturer defect.

Mayasaf 【2 Pack】2" Inlet/Outlet Universal Catalytic Converter, With O2 Port & Heat Shield (Epa Compliant)

MAYASAF
MSFTWCC8009X2N1
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
MAYASAF AutoParts 9.76

Features

【Attention】 Not ship to states such as California, Colorado, Maine, and New York, etc. Please consult your state’s aftermarket converter regulations before purchase.

【Vehicle Fitment】Standard 2 inches inside diameter inlet /outlet, 13 inches overall length. Universal fit for vehicles with similar size outer diameter exhaust pipe. Please make sure this item fits your vehicle.

【Easy Installation】Matched with the original vehicle, installed easily to existing exhaust system. May require cutting and/or welding, professional installation is highly recommended.

【DURABLE】Made from Features HD-Stainless steel, internal structure is carefully designed to provide more oxygen to your engine, fully tested under the extreme conditions for service life.

【Worry-free Aftermarket】EPA Federal Standard Certificated, backed in 2 years or 50,000 miles limited warranty, for any manufacturer defect. Kindly let us know if you have any problems, let's make it right!

#TOP7

Magnaflow 99205Hm Universal Catalytic Converter (Non Carb Compliant)

MAGNAFLOW EXHAUST PRODUCTS
99205HM
13.75 X 5.00 X 4.75 Inches
4.49 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
TZ AUTO & POWERSPORTS 8.27

Features

Stainless steel construction

Federal emissions compliant design; Not Air Tube Kit Adaptable

Formulated for gas and diesel applications

Seam welded close to the converter body for a strong, tight bond

Made in U.S.A.

#TOP8

Mayasaf【2 Pack】 2.5" Inlet/Outlet Universal Catalytic Converter, With O2 Port & Heat Shield (Epa Compliant), 2 Pack

MAYASAF
MSFTWCC8020
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
MAYASAF AutoParts 9.76

Features

【Vehicle Fitment】Standard 2.5 inches inside diameter inlet /outlet, 15 inches overall length. Universal fit for vehicles with similar size outer diameter exhaust pipe. Please make sure this item fits your vehicle.

【DURABLE】Made from Features HD-Stainless steel, high flow design to provide more oxygen to your engine, fully tested under the extreme conditions for service life.

【Easy Installation】Matched with the original vehicle, installed easily to existing exhaust system. May require cutting and/or welding, professional installation is highly recommended.

【EPA CERTIFIED but Non-compliant with CARB】Backed in 2 years or 50,000 miles limited warranty, for any manufacturer defect. But the listed product has not been registered with CARB nor received an EO number. It is prohibited from sale in states which have adopted California's vehicle emission standards, such as California. Consult your state’s aftermarket converter regulations.

【Worry-free Aftermarket】Well-packaged and Free shipping, kindly contact us first if you have any problems, let's make it right!

Aeola A15020 2" Inlet/Outlet Automobile Weld-On Universal Catalytic Converter, With O2 Port & Heat Shield (Epa Compliant)

AEOLA
A15020
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Aeola Components 8.46

Features

EPA PRE-OBDII COMPLIANT - This catalytic converter is designed to meet EPA (Environmental Protection Agency) Pre-OBDII emissions requirements in compliance. Attention: This item doesn't ship to California and Colorado, please confirm before purchase.

LNSTALLATION ADVICE:Universal fit for vehicles with 2-inch outer diameter ,Customizable design features expandable bushings ,may require specialized fabrication and/or welding for installation .recommends professional installation for the universal configuration of this catalytic converter as cutting.

ECO-FRIENDIY DESIGN:Internal honeycomb ceramic substrates have a porous structure to increase the reaction area, and ensure sufficient catalysts (Pt, Rh, Pd) on the coating surface for a higher conversion rate. latest manufacturing technologies make it possible for a catalytic converter such as this one to benefit from improved exhaust flow characteristics and a modern construction design when compared to the part it’s replacing.

DURABILITY: The utilization of highly corrosion resistant stainless-steel construction,ensure consistently perfect fitment, reliability, and superior longevity. no worry about bending or melting even in extreme conditions.

WORRY-FREE PURCHASE: we offer 5 Year/50,000-mile warranty. Please Consult your state's aftermarket converter regulations for details., if you have any questions, please feel free to contact us.

#TOP10

Mayasaf Catalytic Converter Exhaust Pipe For 2009-17 Chevy Traverse 07-17 Gmc Acadia 08-17 Buick Enclave 07-10 Saturn Outlook 3.6L Models Only Radiator Side/Bank 2

MAYASAF
MSFTWCC8007
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
MAYASAF AutoParts 9.76

Features

【Attention】 Not ship to states such as California, Colorado, Maine, and New York, etc. due to state emissions regulations. Please consult your state’s aftermarket converter regulations before purchase.

【Vehicle Fitment】Fit for 2009-17 Chevy Traverse/2007--17 GMC Acadia/2008-17 Buick Enclave/2007-2010 Saturn Outlook, 3.6L Models Only. Please make sure this item fits your vehicle.

【Direct Replacement】Matched with the original vehicle, installed easily to existing exhaust system without doing extra modification, professional installation is highly recommended.

【DURABLE】Made from Features HD-Stainless steel, high flow design to provide more oxygen to your engine, fully tested under the extreme conditions for service life.

【Service】EPA CERTIFIED, backed in 2 years or 50,000 miles limited warranty, for any manufacturer defect. Kindly let us know if you have any problems, let's make it right!

#TOP11

Catalytic Converters 2.5" Inlet/Outlet Universal 15" Overall Length

MOTORHOT
MT-CC-065
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Motorhot 9.65

Features

Product Spec - Standard 2.5" inside diameter inlet/outlet, 15" overall length

Easy Installation

Features heavy-duty stainless steel construction

Easy Installation - Perfectly matched with the original vehicle

Package Includes: 1 x Universal

#TOP12

Pulcherflow 2.25 Inch Inlet/Outlet Universal Catalytic Converter With Heat Shield Stainless Steel (Epa Compliant)

PULCHERFLOW
JTU-08D
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
catalytic converter & catalyst manufacturer 6.00

Features

VEHICLE FITMENT: Universal Catalytic Converter fit for vehicles with 2.25 inch outer diameter exhaust pipe Interchange Part Number: 53005 (Note: Professional installation would be highly recommended).

ATTENTION: 46-state Legal - NOT Legal for sale or Use in Ca, New York, Or Maine Emissions Models; cannot be shipped to CA, CO, NY or ME addresses.

HIGH EFFICIENCY: Such high flow converters are designed with honeycomb structures. They turn pernicious gases, such as CO, HC, NOx, into innocuous ones like CO₂, H₂O, N₂, contributing to the purification of exhaust gases.

DURABILITY: Made of High Quality Stainless Steel construction feature maximum durability. Firmly welded connections can withstand high temper, rust, pressures, and corrosion for longer service life, no worry about bending and melting

EPA CERTIFIED:Meets criteria specified by U.S. Environmental Protection Agency(EPA). Contains precious metals to reduce tailpipe emissions. Durably designed and covered by 5-years/50,000-mile limited warranty.

Magnaflow Universal Catalytic Converter California Grade Carb Compliant 334106 - Stainless Steel 2.5In Inlet/Outlet Diameter, 13In Overall Length, No O2 Sensor - Ca Legal Replacement

MAGNAFLOW EXHAUST PRODUCTS
334106
14.00 X 6.63 X 4.50 Inches
4.00 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Lifeline Brands 9.85

Features

CALIFORNIA PRE-OBDII COMPLIANT - MagnaFlow has put this catalytic converter through extensive testing in order to make sure that it meets or exceeds CARB (California Air Resources Board) Pre-OBDII requirements for legal use in California and CARB restricted states (Colorado) for certified vehicles

UPGRADED DESIGN - MagnaFlow’s latest manufacturing technologies make it possible for a catalytic converter such as this one to benefit from improved exhaust flow characteristics and a modern construction design when compared to the part it’s replacing

PREMIUM STAINLESS-STEEL CONSTRUCTION - The utilization of highly corrosion resistant stainless-steel construction, free-flowing mandrel bent pipes and MagnaFlow’s cutting-edge CNC precision robotic manufacturing techniques ensure consistently perfect fitment, reliability, and superior longevity

5 YEAR / 50,000-MILE LIMITED WARRANTY - Worry-free ownership is made possible thanks to the 5 year/50,000-mile construction and emissions warranty included with this MagnaFlow catalytic converter

UNIVERSAL FIT - MagnaFlow recommends professional installation for the universal configuration of this catalytic converter as cutting, fabrication and/or welding may be required. While this MagnaFlow part is universal, confirm fitment details above in "Confirmed Fit" feature

Catalytic Converter Shield For 2007-2021 Toyota Tundra, 2008-2021 Toyota Sequoia Full Shield (Covers All 4 Cats) Anti-Theft Device Cat Protector™ Xr205

CAT PROTECTOR
XR204
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Cat Protector 0.00

Features

SUPERIOR THEFT DETERRENCE - Secure your 2007-2021 Toyota Tundra and 2008-2021 Sequoia OEM catalytic converter from opportunistic thieves with our catalytic converter shield kit. Its robust construction offers a daunting challenge to would-be thieves, making your vehicle a much less attractive and time-consuming target.

PREMIUM LONG-LASTING DESIGN - Our shield kit is constructed from 100% high-grade, rust and blade-resistant aluminum. This makes it exceedingly difficult for conventional theft tools to access your catalytic converter. With a design that's lightweight, it promises to ensure your fuel efficiency is not negatively impacted.

ADVANCED UNDERBODY DEFENSE - Our CAT PROTECTOR offers an unmatched layer of protection for your vehicle during off-road excursions. Its design reliably shields against hazards such as rocks, branches, ice, and miscellaneous debris on the trail. Featured gable vents allow for rapid heat dissipation, preventing potential overheating of your catalytic converter.

HASSLE-FREE INSTALLATION - The installation process is straightforward and does not necessitate welding, capitalizing on the factory mounting points for convenience. While self-installation is an option, we encourage professional installation to ensure optimal effectiveness and results.

COMPREHENSIVE KIT COMPONENTS - 12x Hex Socket Heads, 4x Nuts, 4x Washers, and 2 Wrenches. This will fit models with a TRD Front Skid Plate.

#TOP15

Catalytic Converter

KAX
9891EXP152MUS
20.08 X 5.71 X 7.09 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
KAX-AUTO Direct 3 7.53

Features

OEM High Flow Operation

Catalytic Converter Shield For 2007-2021 Toyota Tundra, 2008-2021 Toyota Sequoia Shield (Covers Front Cats) Anti-Theft Device Cat Protector™ Xr204

CAT PROTECTOR
XR204
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Cat Protector 0.00

Features

SUPERIOR THEFT DETERRENCE - Secure your 2007-2021 Toyota Tundra and 2008-2021 Sequoia OEM catalytic converter from opportunistic thieves with our catalytic converter shield kit. Its robust construction offers a daunting challenge to would-be thieves, making your vehicle a much less attractive and time-consuming target.

PREMIUM LONG-LASTING DESIGN - Our shield kit is constructed from 100% high-grade, rust and blade-resistant aluminum. This makes it exceedingly difficult for conventional theft tools to access your catalytic converter. With a design that's lightweight, it promises to ensure your fuel efficiency is not negatively impacted.

ADVANCED UNDERBODY DEFENSE - Our CAT PROTECTOR offers an unmatched layer of protection for your vehicle during off-road excursions. Its design reliably shields against hazards such as rocks, branches, ice, and miscellaneous debris on the trail. Featured gable vents allow for rapid heat dissipation, preventing potential overheating of your catalytic converter.

HASSLE-FREE INSTALLATION - The installation process is straightforward and does not necessitate welding, capitalizing on the factory mounting points for convenience. While self-installation is an option, we encourage professional installation to ensure optimal effectiveness and results.

COMPREHENSIVE KIT COMPONENTS - 12x Hex Socket Heads, 4x Nuts, 4x Washers, and 2 Wrenches. This will fit models with a TRD Front Skid Plate.

Catalytic Converter Shield Replacement For Honda Element 2003-2011 2.4L Cat Protector Cat Proctector | Installation Manual Included

CAT PROTECTOR
XR200
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Cat Protector 0.00

Features

THEFT DETERRENT - Protect your catalytic converter from theft with our sturdy catalytic converter shield kit compatible for 2003-2011 2.4L Honda Element OEM. Thieves typically look for easy targets, and our robust design makes it too difficult and time consuming to steal.

EVERLASTING DESIGN - Our kit is made of 100% high-grade rust and blade-resistant aluminum, making it very challenging to access your catalytic converter with conventional theft tools . Its lightweight design ensures that it won't negatively impact fuel efficiency.

EASY INSTALLATION - No welding is required for installation, and the shield can be easily installed using the included step-by-step instructions and hardware. Professional installation is highly recommended for best results.

UNDERBODY PROTECTION - Our CAT PROTECTOR provides superior protection for off-road driving. It keeps your vehicle safe from hazards like rocks, branches, ice, and other debris on the road. Its gable vents dissipate heat quickly through its open design, preventing your catalytic converter from overheating.

KIT INCLUDES - Our kit includes passenger and driver stainless rails, a catalytic converter shield, rear security tabs, 3/16” rivets, oversized ¼” expandable rivet, security bolts, torx bit, and start lock washers, flange bolts, and a socket.

Top 10 automotive replacement catalytic converter air tubes Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Mayasaf 4
Autosaver88 3
Cat Protector 3
Magnaflow Exhaust Products 2
Aeola 1
Kax 1
Motorhot 1
Pulcherflow 1
Walker 1

Top 10 automotive replacement catalytic converter air tubes Brands Pie Chart


We've carried out a comprehensive analysis of 2,904 reviews on automotive replacement catalytic converter air tubes, using our selection criteria to identify the best options in the categories. Our findings reveal that most customers typically select automotive replacement catalytic converter air tubes priced around $106.72, with top brands including and

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We are dedicated to assisting our users in finding the right converters Products based on their needs, saving them considerable time when choosing which automotive replacement catalytic converter air tubes to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.