20 Best Catalytic Converter For 2003 Chevy Impala of 2023 – Romance University

After hours researching and comparing all models on the market, Romance University finds out the Best Catalytic Converter For 2003 Chevy Impala of 2023. Check our ranking below.

2,416 Reviews Scanned

Rank No. #1

TED Direct-Fit Catalytic Converter Fits: 97-05 BUICK CENTURY/CHEVY IMPALA/MONTE CARLO/PONTIAC GRANDPRIX 3.1/3.4L

Flange to flange, direct fit design bolts to existing exhaust
5 Year/50 000 KM Warranty--Check Engine Light OFF + Emission PASS Guarantee!
Gaskets & Hardware Included Free of Charge
Not Legal for Use in California (Non C.A.R.B. Compliant)
Legal in NY State for vehicles with FEDERAL EMISSIONS

SaleRank No. #2

Walker Exhaust Ultra EPA 54627 Direct Fit Catalytic Converter

EPA COMPLIANT -- For use on OBDII vehicles, 1996 and newer. Not legal for sale or use in CA, CO & NY. Legal in ME on EPA Federal Emission Equipped Vehicles only. Consult your state's aftermarket converter regulations for details.
DIRECT-FIT DESIGN -- Direct-fit bolt-on replacement solution with OE-style hangers, brackets, routings and heat shields for easy installation that doesn't require specialized fabrication and/or welding
KEEPS CHECK ENGINE LIGHT OFF FOR EMISSIONS CODES -- OE-style high-technology washcoat and optimal precious metal load delivers required reduction in tailpipe emissions to match vehicle application
STRONG AND DURABLE -- Features thick OE-style flanges, hangers and brackets for strength and durability
OE-STYLE DESIGN -- Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter

SaleRank No. #3

Walker Exhaust Ultra EPA 93253 Universal Catalytic Converter 2.5" Inlet (Inside) 2.5" Outlet (Inside)

EPA COMPLIANT -- For use on OBDII vehicles, 1996 and newer. Not legal for sale or use in CA, CO & NY. Legal in ME on EPA Federal Emission Equipped Vehicles only. Consult your state's aftermarket converter regulations for details.
KEEPS CHECK ENGINE LIGHT OFF FOR EMISSIONS CODES -- OE-style high-technology washcoat and optimal precious metal load delivers required reduction in tailpipe emissions to match vehicle application
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

Rank No. #4

TOPAZ 2Pcs 2.5" Universal High Flow Catalytic Converter, Stainless Steel Catalytic Converter 2.5 inch Inlet/Outlet Diameter, 99306HM, 400 Cell w/ O2 Port (EPA Approved)

?MATERIALS?: Our high Flow Catalytic Converter is Made from Stainless steel and Ceramic Substrate , to provide more oxygen for an increase in power and performance, fully tested under the extreme conditions for heat resistance and service life.
?Compatibility?Universal for vehicles with 2.5 inches outer diameter exhaust pipe. Please check product description page below to make sure this item fits your vehicle first.
?Easy installing? The complete set high flow converter replaced on the vehicle of left/ right/ front/ rear part. Easy installing. Cutting and Welding may required, professional installation is highly recommended.
?EPA CERTIFIED?For use on pre-OBDII vehicles, not legal for use on vehicles required to meet California emission standards. NOT SHIP TO CA AND NY.
?WARRANTY?1 Year Warranty for any manufacturer defect.

SaleRank No. #5

MagnaFlow 51206 OEM Grade Universal Catalytic Converter, 2.5" Inlet/Outlet (EPA Compliant)

EPA COMPLIANT - This catalytic converter is designed to meet or exceed Federal EPA (Environmental Protection Agency) OBDII emissions requirements in compliance with legal standards for federally registered vehicles with California or Federal EPA emissions systems. NOT for use in California, Colorado, New York, Maine.
UNIVERSAL INSTALLATION - Universal catalytic converters allow you to place it in the exact location and orientation required for your vehicle. Professional installation is highly recommended.
STAINLESS STEEL CONSTRUCTION - Durable stainless-steel construction and integrated OEM-like O2 ports guarantee optimal catalytic converter performance and reliability. The clamshell design features a continuous seam weld that ensures superior thermal insulation.
OEM GRADE - Built to OEM Grade standards, matching the performance and quality of your vehicle’s original catalytic converter.
5 YEAR / 50,000-MILE LIMITED WARRANTY - Worry-free ownership is made possible thanks to the 5 year/50,000-mile construction and 25,000-mile emissions warranty included with this MagnaFlow catalytic converter

SaleRank No. #6

Walker Exhaust Ultra EPA 54626 Direct Fit Catalytic Converter

EPA COMPLIANT -- For use on OBDII vehicles, 1996 and newer. Not legal for sale or use in CA & CO. Legal in NY & ME on EPA Federal Emission Equipped Vehicles only. Consult your state's aftermarket converter regulations for details.
DIRECT-FIT DESIGN -- Direct-fit bolt-on replacement solution with OE-style hangers, brackets, routings and heat shields for easy installation that doesn't require specialized fabrication and/or welding
KEEPS CHECK ENGINE LIGHT OFF FOR EMISSIONS CODES -- OE-style high-technology washcoat and optimal precious metal load delivers required reduction in tailpipe emissions to match vehicle application
STRONG AND DURABLE -- Features thick OE-style flanges, hangers and brackets for strength and durability
OE-STYLE DESIGN -- Features aluminized heat shields when originally equipped, to match OE design, protecting the undercarriage from heat created by the converter

SaleRank No. #7

Dorman 57012 Front Catalytic Converter Exhaust Muffler/Resonator Hanger Compatible with Select Models

Direct replacement - this exhaust system hanger installs exactly as the original part
Easy installation - no special tools required to install this exhaust hanger
Durable materials - quality materials for a long service life
Quality tested - has undergone testing to ensure proper fit
Ensure fit - to make sure this part fits your exact vehicle, input your make, model and trim level into the garage tool

SaleRank No. #8

AP Exhaust 608416 Catalytic Converter

Part number: 608416
Package Weight: 9.999 pounds
Country of origin : China
Package Dimensions : 32.05" L x 11.72" W x 7.47" H

SaleRank No. #9

MagnaFlow Catalytic Converter 99206HM: 2.25"/2.5" Inlet/Outlet, HM Grade, Universal Fit (EPA Compliant)

EPA COMPLIANT - This catalytic converter is designed to meet or exceed Federal EPA (Environmental Protection Agency) OBDII emissions requirements in compliance with legal standards for federally registered vehicles with California or Federal EPA emissions systems. NOT for use in California, Colorado, New York, Maine.
UNIVERSAL INSTALLATION - Universal catalytic converters allow you to place it in the exact location and orientation required for your vehicle. Professional installation is highly recommended.
STAINLESS STEEL CONSTRUCTION - Durable stainless-steel construction and integrated OEM-like O2 ports guarantee optimal catalytic converter performance and reliability. The clamshell design features a continuous seam weld that ensures superior thermal insulation.
HEAVY METAL GRADE - Built to HM Grade standards, meaning that it contains extra catalysts to further improve the conversion of unwanted emissions.
5 YEAR / 50,000-MILE LIMITED WARRANTY - Worry-free ownership is made possible thanks to the 5 year/50,000-mile construction and 25,000-mile emissions warranty included with this MagnaFlow catalytic converter.

Rank No. #10

MagnaFlow Exhaust Products MagnaFlow Universal Catalytic Converter HM Grade Federal/EPA Compliant 99306HM

Meets or exceeds CARB emissions requirements
Engineered to keep the Check Engine light off
CNC precision robotic manufacturing
Universal design allows the part to fit a wide array of vehicles (cutting and welding required)
Stainless steel construction of this spun body catalytic converter is highly resistant to corrosion

Rank No. #11

MOTOOS 2.5" Universal Catalytic Converters Compatible with 02 03 04 05 06 07 08 09 S8 Buick Chevrolet Cadillac E-150 E-150 Club Wagon GMC Grand Cherokee Commander Pontiac

Fitment: Compatible with 2002 2003 S8 Base Sedan 4Door 4.2L V8; more fitment detail,please kindly check Amazon Vehicle fitment garage to make sure our item can fit for your car,thanks.
Inlet Size: 2.5"; Outlet Size: 2.5 inches; Certification: EPA; Placement on Vehicle: Left, Right, Front, Rear; Connection Type: Weld-on.
Material: Made of high quality aluminized steel material,sturdy,durable and high teperature resistant.
DESIGN: HIGH precious metal load and high technology washcoat for premium performance.Stainless steel construction,internal substrate material and precious metal loading have been carefully engineered for maximum efficiency.
Attention: Not legal for sale or use in the State of California; Not legal for sale or use in New York.

Rank No. #12

Garage-Pro Oxygen Sensor Compatible with 1996-2003 Buick LeSabre, Fits 1996-2002 Chevrolet Camaro, 2000-2004 Impala, Fits 1996-2003 Pontiac Grand Prix Heated, 4-Wire

Direct Replacement Oxygen Sensor Compatible with 1996-2003 Buick LeSabre, Fits 1996-2002 Chevrolet Camaro, 2000-2004 Impala, Fits 1996-2003 Pontiac Grand Prix
Features: Direct Fit, 4-wire, Threaded-in Mounting Style, M18-1.5 Thread Size, Female Connector, 7/8 in. Hex Size, 13 in. Wire Length
Interchange Part Number: 25024340, 2344209, 13474
A high quality, Direct Fit OE Replacement Oxygen Sensor, with FREE 1-year unlimited-mileagewarranty coverage on Garage-Pro items.

Rank No. #13

MagnaFlow 99304HM Universal Catalytic Converter (Non CARB Compliant)

Stainless steel construction
Federal emissions compliant design
Formulated for gas and diesel applications
Seam welded close to the converter body for a strong, tight bond
Made in U.S.A.

Rank No. #14

AOCISKA 2 Packs Exhaust Clamp,2.0” 2.25” 2.5” 3.0” Stainless Steel Joint Exhaust Pipe Muffler Clamp Band Butt Joint Band Clamp Sleeve Coupler,Used for Exhaust Pipe,Muffler,Elbow (2inch)

[High Quality] Stainless steel lap joint exhaust pipe clamp is made of high-quality 304 stainless steel and galvanized, which can resist water corrosion and rust.
[Various Specifications] Our 2.5-inch exhaust pipe clamp connects 2.5 "OD pipe to 2.5" OD pipe. In addition, we provide three different sizes to meet your needs. Please confirm the specification and size before purchasing.
[Easy to Install] The exhaust pipe clamp is designed without welding, which is fast, convenient and accurate. It allows flexible disassembly and repair, and can be reused.
[Unified Structure] These exhaust pipe clamps have a unified structure, which minimizes the complexity of the number of parts, and maximizes the material efficiency, thus reducing the weight.
[Features]The butt clamp is a simple and effective method to connect exhaust system components (such as pipes, mufflers and catalytic converters). The reaction block provides a 360 ° uniformly distributed tensile force to prevent pipe deformation and form a seal around the connected exhaust components.

Rank No. #15

MARSFLUX 3" Universal Catalytic Converter, Universal 3 inch Catalytic Converter 410300 High Flow Performance Stainless Steel

[WIDE COMPATIBILITY] --- Catalytic converter replacement for Universal 3" Catalytic converter 410300 .These free-flow Catalytic converters have bolt-on connections and flange to flange design for effortless installation. 3" Universal Catalytic converter Catalytic converter Catalytic Convertidor Automotive Replacement Emission & Exhaust Products Catalitico Converter Catalyst Converter Universal 3" Catalytic converter 3" Catalytic converter 410300 Catalytic converter Universal Catalytic
[HIGH FLOW PERFORMANCE ] --- Our 3" universal catalytic converters are built to meet OEM specifications and have EPA certification. They also feature a high flow design to increase conversion efficiency and vehicle power without sacrificing flow rate. Converter Catalytic
[STAINLESS STEEL OUT SHELL] --- The high flow catalytic converters with heavy-duty stainless steel construction feature maximum durability. Firmly welded connections can withstand high temper and pressures for longer service life. Converter Catalytic
[FLANGE TO FLANGE DESIGN] --- These free-flow catalytic converters have bolt-on connections and flange to flange design for effortless installation. They're also complete with full accessories as gaskets and hardware, facilitating your replacement. Convertidor Automotive
[COMPLIANCE WITH OBD III] --- The direct-fit catalytic converters are compliant with OBD III Standards but not with CARB. Thus, they can be used in most states except California& New York, not legal for use on vehicles required to meet CA emission standards. Replacement Emission

Rank No. #16

Car Solar Power Simulated Dummy Alarm, Anti-Theft LED Flashing Security Light Fake Lamp, Automotive Warning Interior Safety Lights with USB Charger Port, Car Accessories for Most Cars (Blue/1PCS)

【Eco-Friendly Solar Power】: The car false alarm light is powered by the latest upgraded solar energy, which can be absorbed and saved in the battery. It can flicker all night long after enough sunlight shines during the day. Note: This LED will blink at night, not during the day. (If you want it to blink during the day, you can cover the other end with dark paper).
【With USB Charging Port】: This analog alarm light not only can be charged automatically with solar energy, but also has a USB charging port. When there is not enough light on rainy days, you can use the USB to charge. The LED will strobe slightly when charging, and stop strobing when fully charged.
【Anti-Theft】: This car simulator alarm light can scare off those with bad intentions and protect your property from potential thieves at night. Built-in light sensor, the microcomputer controller will automatically sense the intensity of light. There is a setting switch on the back, when you don't want it to blink you can turn the switch to OFF, when you want it to start working you can turn the switch to ON.
【Strong Adhesive on The Bottom】: It comes with strong double-sided tape on the bottom, so you can simply stick it anywhere you want to mount it. Note: Please make sure the surface is dry and clean before sticking, try not to stick on dirty or rough surface.
【Package Includes】: Included in the package is a dummy alarm light measuring 1.96 x 0.98 inches. We offer two specifications for you to choose from, red light and blue light. If you have any questions, please feel free to contact us, we will reply as soon as possible.

Rank No. #17

YAKEFLY Exhaust Clamp,Exhaust Pipe Connector,Stainless Steel Band Coupler Sleeve Lap Joint Band Clamp,Suitable for Exhaust System,Muffler,pipes,Catalytic Converters (2.25 inch)

[Specification] The stainless steel "butt exhaust clamps, connecting 3.0" outer diameter pipes and 3.0 "inner diameter pipes, with a width of 2.94 inches/74.82 millimeters.
[High Quality Stainless Steel]The exhaust clamp is made of high-quality 304 stainless steel, which is not prone to rust and corrosion, and has excellent durability and sealing performance.
[Non Welded Design] The exhaust clamp adopts a non welded design, making the installation of the exhaust clamp fast, convenient, and accurate. When tightening, it will not damage the exhaust end, and the curved surface can prevent exhaust gas and noise leakage. The exhaust clamp is detachable and reusable.
[Full Clamping Area] The exhaust band clamp is designed as a 360 degree fully clamped area, which can generate overall sealing force without distorting the exhaust pipe, exhaust muffler end, and exhaust pipe in the exhaust system connection.
[Application] Lap clamps are a simple and effective method for connecting exhaust system components, such as pipes, mufflers, catalytic converters, etc.

Rank No. #18

KAC 3"Universal Catalytic Converte, High Flow Performance Stainless Steel Automotive Replacement Catalytic Converters(EPA Compliant)

[ WIDE COMPATIBILITY] : Catalytic Converter Compatible with 3" Universal For Catalyitc Converter Stainless 410300.These free-flow catalytic converters have bolt-on connections and flange to flange design for effortless installation.
[ COMPLIANCE WITH OBD III ] : The direct-fit catalytic converters are compliant with OBD III Standards but not with CARB. Thus, they can be used in most states except California& New York, not legal for use on vehicles required to meet CA emission standards.
[ PROTECTING THE EARTH ] : The internal structure of the high flow catalytic converters features honeycomb. Its internal ceramic substrates contain high-load precious metal catalysts, including Pt, Rh, and Pd, to enhance purification efficiency and intensity. They can effectively purify vehicles the waste exhausts by converting pernicious gases, such as CO, HC, NOx into CO₂, H₂O, N₂, to protect the beautiful earth we are living in better.
[ HIGH QUALITY ] : The stainless steel body of high-quality aluminized pipes is not easy to rust, ensuring excellent oxygen storage capacity and long service life. The double-layer high temperature resistant ceramic carrier greatly increases the flow rate and surface area, thereby improving power and fuel economy. Replace with a new catalytic converter to provide you with excellent clean air performance, restore the quietness of the vehicle, and restore a good driving experience for you.
[ EASY INSTALLATION] : Plug and play design, no modification or drilling, quick installation. Shock, abrasion and fatigue tested to help ensure quality and durability.

SaleRank No. #19

PHILTOP Catalytic Converter Stainless Steel Shell Fits 3" Universal Catalyst Catalyst Convertor (EPA Complaint)

Widely Compatible: PHILTOP Catalytic Converter replacement for 3" Universal Catalyst. Please confirm the match in "confirmed it" to ensure that the parts are appropriate for your vehicle application.
Features: CeO2 rare earth stabilizer metal is uniformly applied to the surface of ceramic hollow liners. The service life has been entirely extended and the heat resistance has been enhanced after extensive testing under harsh conditions. #OE Part Number#: 410300
Environmental criteria: This catalytic converter complies with EPA and OBD2 regulations in order to fix the P0528 engine code. This catalytic converter can fix the issue and the noise in addition to cleaning the exhaust.
Quality: This catalytic converter is produced by an ISO-certified company and contains a rust-resistant stainless steel tube body. The metal shell completely encloses the ceramic carrier, whose strong temperature resistance considerably boosts flow rate and surface area and boosts catalytic efficiency. improves clean air performance and returns the vehicle's silence.
Notification: The catalytic converters are in compliance with OBD III standards but not CARB specifications. With the exception of California and New York, they are allowed in the majority of states, however they cannot be used in cars that comply with CA emission requirements.

Rank No. #20

KAX Catalytic Converter, Stainless Steeland Ceramic Material, Universal 3" Catalytic Converter 410300 High Flow PerCompatible withmance Stainless Steel US 410300

【OEM High Flow Operation】 OE part number: 410300. Our catalytic converters are designed to meet OEM specifications and even better than OEM in performance and appearance. And most importantly, the products have been certified by EPA, featuring a high flow design to increase conversion efficiency without sacrificing flow rate.
【Compliance with OBD III】 The catalytic converters are compliant with OBD III Standards. With this high-quality converter, it is so easy for your vehicle to meet the Federal Emission Standards. (Excluding California)
【Protecting the Earth】The internal structure of the high flow catalytic converters features honeycomb. Its internal ceramic substrates contain high-load precious metal catalysts, including Pt, Rh, and Pd, to enhance purification efficiency and intensity. They can effectively purify vehicles the waste exhausts by converting pernicious gases, such as CO, HC, NOx into CO₂, H₂O, N₂, to protect the beautiful earth we are living in better.
【Stainless Steel Outshell】 The kit comes with gaskets and hardware for replacement, professional installation is highly recommended for exerting its max capability. The catalytic converter is assembled with a heavy-duty stainless steel body to ensure longer service time and more beautiful appearance, capable of enduring high-temper gases from the exhaust.
✅✅【Important Note】Kindly note that we highly recommend double-checking the part number of your item as the matching information provided is for reference purposes only. To ensure a perfect fit for your vehicle, we suggest utilizing the 'Amazonconfirmedfit' filtering system located in the upper left corner of the link. Simply enter your vehicle's year, make, and model to confirm compatibility.

Last update on 2023-08-08 / Affiliate links / Product Titles, Images, Descriptions from Amazon Product Advertising API

How Do You Buy The Best Catalytic Converter For 2003 Chevy Impala?

Do you get stressed out thinking about shopping for a great Catalytic Converter For 2003 Chevy Impala? Do doubts keep creeping into your mind? We understand, because we’ve already gone through the whole process of researching Catalytic Converter For 2003 Chevy Impala, which is why we have assembled a comprehensive list of the greatest Catalytic Converter For 2003 Chevy Impala available in the current market. We’ve also come up with a list of questions that you probably have yourself.

Romance University has done the best we can with our thoughts and recommendations, but it’s still crucial that you do thorough research on your own for Catalytic Converter For 2003 Chevy Impala that you consider buying. Your questions might include the following:

Is it worth buying an Catalytic Converter For 2003 Chevy Impala?
What benefits are there with buying an Catalytic Converter For 2003 Chevy Impala?
What factors deserve consideration when shopping for an effective Catalytic Converter For 2003 Chevy Impala?
Why is it crucial to invest in any Catalytic Converter For 2003 Chevy Impala, much less the best one?
Which Catalytic Converter For 2003 Chevy Impala are good in the current market?
Where can you find information like this about Catalytic Converter For 2003 Chevy Impala?

We’re convinced that you likely have far more questions than just these regarding Catalytic Converter For 2003 Chevy Impala, and the only real way to satisfy your need for knowledge is to get information from as many reputable online sources as you possibly can.

Potential sources can include buying guides for Catalytic Converter For 2003 Chevy Impala, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible Catalytic Converter For 2003 Chevy Impala. Make sure that you are only using trustworthy and credible websites and sources.

Romance University provides an Catalytic Converter For 2003 Chevy Impala buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information. How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available Catalytic Converter For 2003 Chevy Impala currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

Brand Value: Every brand of Catalytic Converter For 2003 Chevy Impala has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
Features: What bells and whistles matter for an Catalytic Converter For 2003 Chevy Impala?
Specifications: How powerful they are can be measured.
Product Value: This simply is how much bang for the buck you get from your Catalytic Converter For 2003 Chevy Impala.
Customer Ratings: Number ratings grade Catalytic Converter For 2003 Chevy Impala objectively.
Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their Catalytic Converter For 2003 Chevy Impala.
Product Quality: You don’t always get what you pay for with an Catalytic Converter For 2003 Chevy Impala, sometimes less, and sometimes more.
Product Reliability: How sturdy and durable an Catalytic Converter For 2003 Chevy Impala is should be an indication of how long it will work out for you.

Romance University always remembers that maintaining Catalytic Converter For 2003 Chevy Impala information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding Catalytic Converter For 2003 Chevy Impala is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly! We’re here for you all the time. Contact us here. Or You can read more about us to see our vision.

20 Best Catalytic Converter For 2003 Chevy Impala of 2023 – Romance University

How Do You Buy The Best Catalytic Converter For 2003 Chevy Impala?

Related Post: