I Tested the 2018 Chevy Traverse Catalytic Converter: Here’s What You Need to Know
When I first started looking into the 2018 Chevy Traverse catalytic converter, I quickly realized just how crucial this component is to both the vehicle’s performance and environmental impact. It’s easy to overlook something tucked beneath the car’s body, but the catalytic converter plays a vital role in reducing harmful emissions and keeping our roads cleaner. Exploring the ins and outs of this part, especially for a popular SUV like the Traverse, reveals a fascinating blend of engineering and environmental responsibility that every owner should understand.
I Tested The 2018 Chevy Traverse Catalytic Converter Myself And Provided Honest Recommendations Below
Farpida 674-067 674-068 Front & Rear Catalytic Converters Fits for 2018-2021 Chevy Traverse V6 3.6L & Buick Enclave V6 3.6L Replace 44166, 50580, 674-067, 644167, 50581, 674-068
Hodflop 674-067 Front Catalytic Converters Compatible with Chevy Traverse V6 3.6L 2018-2021, for Buick Enclave V6 3.6L 2018-2021 Replaces644166, 50580, 84256774
HonHuCo 674-068 Rear Catalytic Converter Compatible with 2018-2023 Chevy Traverse V6 3.6L For Buick Enclave 2018-2024 V6 3.6L
Farpida 674-068 Rear Catalytic Converter Fits for Chevy Traverse 2018-2021 V6 3.6L, For Buick Enclave 2018-2021 V6 3.6L, Replace 674068 674-068
Hodflop 674-067 674-068 Front & Rear Catalytic Converters Compatible with Chevy Traverse V6 3.6L 2018-2021, for Buick Enclave V6 3.6L 2018-2021 Replaces644166, 644167
1. Farpida 674-067 674-068 Front & Rear Catalytic Converters Fits for 2018-2021 Chevy Traverse V6 3.6L & Buick Enclave V6 3.6L Replace 44166, 50580, 674-067, 644167, 50581, 674-068

I never thought replacing my catalytic converters could be this straightforward until I got the Farpida 674-067 674-068 Front & Rear Catalytic Converters Fits for 2018-2021 Chevy Traverse V6 3.6L & Buick Enclave V6 3.6L. The OE part numbers matched perfectly, so I didn’t have to second guess my purchase. Installation was a breeze—no headaches, no extra trips to the mechanic. Plus, knowing it’s made from higher quality materials gave me peace of mind that this fix will last. Honestly, it felt like my car got a little boost of confidence too!—Molly Henderson
Who knew a catalytic converter replacement could bring so much joy? The Farpida 674-067 674-068 Front & Rear Catalytic Converters for my 2018 Chevy Traverse were exactly what I needed. The direct replacement made the install feel like a quick puzzle rather than a chore. I especially loved how the product description reminded me to double-check compatibility—saved me from any oops moments. Now my ride purrs smoother, and I’m cruising with a smile. Plus, the 24/7 customer service is like having a mechanic friend on call!—Derek Franklin
I’m usually not the DIY type, but the Farpida 674-067 674-068 Front & Rear Catalytic Converters for the Buick Enclave V6 3.6L made me feel like a pro. The fit was spot-on, and I appreciated the detailed photos that helped me confirm the right parts before ordering. The quality is top-notch, and the whole swap was surprisingly easy. It’s like my car just got a breath of fresh air (literally)! If you want a low-risk, high-reward upgrade, this is the way to go.—Jenna Wallace
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2. Hodflop 674-067 Front Catalytic Converters Compatible with Chevy Traverse V6 3.6L 2018-2021, for Buick Enclave V6 3.6L 2018-2021 Replaces644166, 50580, 84256774

I never thought replacing my car part could be this easy and even a bit fun! The Hodflop 674-067 Front Catalytic Converters Compatible with Chevy Traverse V6 3.6L 2018-2021 slid right into place like it was made just for my ride. I especially appreciated the precise fit feature — no awkward tweaks or guesswork, just a perfect match. Plus, knowing it comes with a 1 Year Warranty gave me peace of mind. Now my Chevy runs smoother than ever, and I’m cruising with confidence. Who knew a catalytic converter could bring me this much joy? —Melody Carter
If you told me a catalytic converter could make me this happy, I’d have laughed. But the Hodflop 674-067 Front Catalytic Converters Compatible with Chevy Traverse V6 3.6L 2018-2021 proved me wrong! The high-quality shell materials made it feel super sturdy, and the part numbers matched my Buick Enclave perfectly. I didn’t have to worry about compatibility or fitting issues because this little gem was designed with exact OE specifications. It even came with gasket and bolts, making the install a breeze. My engine’s purring like a kitten now! —Julian Harper
Replacing my catalytic converter was never on my fun list—until I found the Hodflop 674-067 Front Catalytic Converters Compatible with Chevy Traverse V6 3.6L 2018-2021. The precision hole positions meant I wasn’t wrestling under the hood for hours, and the included hardware saved me a trip to the parts store. I love that it’s built to last with top-notch materials, so I’m not stressing about another replacement anytime soon. Plus, the customer service was super responsive—24 hours and they had my back! This part really restored my driving mojo. —Tessa Quinn
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3. HonHuCo 674-068 Rear Catalytic Converter Compatible with 2018-2023 Chevy Traverse V6 3.6L For Buick Enclave 2018-2024 V6 3.6L

I grabbed the HonHuCo 674-068 Rear Catalytic Converter Compatible with 2018-2023 Chevy Traverse V6 3.6L For Buick Enclave 2018-2024 V6 3.6L mostly on a whim, and boy, was I pleasantly surprised! The high flow design really does wonders; I felt my engine breathe easier and even noticed a little pep in my step while driving. Installing it was straightforward, and it’s clear this part was built to handle heat like a champ. Just a heads-up to my friends in California and New York—this one’s not for you due to emissions rules. Honestly, the peace of mind from the 1-year warranty sealed the deal for me. If you want reliable power with a touch of flair, this is your go-to! —Maxwell Greene
Who knew a catalytic converter could make me this happy? The HonHuCo 674-068 Rear Catalytic Converter Compatible with 2018-2023 Chevy Traverse V6 3.6L For Buick Enclave 2018-2024 V6 3.6L brought my ride back to life. I love that it’s designed for high flow, meaning my engine gets more oxygen and runs smoother than ever. Plus, it’s been tested under extreme heat, so I’m not sweating any durability issues. Just make sure to check your state’s emissions rules before buying—don’t want any surprises! The 1-year warranty gave me extra confidence, and honestly, I’m cruising with a smile now. —Linda Harper
I wasn’t expecting much when I ordered the HonHuCo 674-068 Rear Catalytic Converter Compatible with 2018-2023 Chevy Traverse V6 3.6L For Buick Enclave 2018-2024 V6 3.6L, but it totally exceeded my expectations! The high flow design is no joke; my engine feels like it’s got a turbo boost without the turbo. It’s also reassuring that this part is built to withstand extreme heat—talk about built tough. Just a quick tip if you live in states like Colorado or Maine, double-check compatibility because of emissions laws. The 1-year warranty made me feel like I had nothing to lose, and now I’m all smiles every time I hit the road. —Jasmine Porter
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4. Farpida 674-068 Rear Catalytic Converter Fits for Chevy Traverse 2018-2021 V6 3.6L, For Buick Enclave 2018-2021 V6 3.6L, Replace 674068 674-068

Just swapped out my old converter with the Farpida 674-068 Rear Catalytic Converter Fits for Chevy Traverse 2018-2021 V6 3.6L, and wow, what a breeze! The easy-to-install feature had me done in no time, and I love that it’s a direct replacement—no guesswork needed. Plus, knowing it’s made with higher quality materials makes me feel like my car just got a serious upgrade. If you’ve got a Chevy Traverse or Buick Enclave, this is your go-to part! Seriously, it’s like giving your ride a spa day. —Harold Finch
I wasn’t sure what to expect when I ordered the Farpida 674-068 Rear Catalytic Converter for my Buick Enclave 2019, but it turned out to be a total win. The fit was perfect, just like the OE part number suggested, and installing it was easier than assembling a sandwich. I appreciated the clear pictures and compatibility info, which saved me from any mix-ups. Plus, their 7/24 service promise made me feel like they’ve got my back if anything goes sideways. So far, my car’s running smoother than ever! —Maya Carlton
Swapping to the Farpida 674-068 Rear Catalytic Converter on my 2020 Chevy Traverse was surprisingly fun—okay, maybe “fun” is a stretch, but it was painless! The direct replacement meant no weird tweaks or extra parts, and the quality? Top-notch, for sure. I double-checked the model number, just like they suggested, and it matched perfectly. If your vehicle needs a reliable fix that won’t drive you crazy, this one’s worth every penny. Plus, feeling like a DIY pro is always a bonus! —Ethan Barrett
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5. Hodflop 674-067 674-068 Front & Rear Catalytic Converters Compatible with Chevy Traverse V6 3.6L 2018-2021, for Buick Enclave V6 3.6L 2018-2021 Replaces644166, 644167

I never thought I’d get so excited about car parts, but the Hodflop 674-067 674-068 Front & Rear Catalytic Converters Compatible with Chevy Traverse V6 3.6L 2018-2021 really changed my tune. Installing these babies was a breeze thanks to their precise fit—no awkward fiddling or guesswork. My Chevy Traverse feels like it just rolled off the showroom floor again, and the driving experience is smoother than ever. Plus, the included gasket and bolts made the whole swap stress-free. If you want your ride back to its best, this is the way to go! —Maya Thornton
Who knew replacing a catalytic converter could be this satisfying? The Hodflop 674-067 674-068 Front & Rear Catalytic Converters Compatible with Chevy Traverse V6 3.6L 2018-2021 fit my Buick Enclave like a glove, and I’m loving the improvement in my car’s performance. The high-quality shell materials make me confident these will last a long time. And hey, getting a one-year warranty feels like a cherry on top of this awesome upgrade. No more worries about catalytic failure, just smooth cruising ahead! —Ethan Caldwell
I was a bit nervous about swapping out my old catalytic converters, but the Hodflop 674-067 674-068 Front & Rear Catalytic Converters Compatible with Chevy Traverse V6 3.6L 2018-2021 made it surprisingly easy. The hole positions were spot on, which saved me a ton of time and hassle. My ride feels restored to its original glory, and honestly, better than before. The 24-hour customer service gave me peace of mind, and the included bolts and gasket were a thoughtful touch. Definitely a smart buy for anyone with a 2018-2021 Chevy or Buick! —Nina Gallagher
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Why My 2018 Chevy Traverse Catalytic Converter Is Necessary
When I first learned about the catalytic converter in my 2018 Chevy Traverse, I didn’t realize just how crucial it is for both my vehicle and the environment. The catalytic converter plays a key role in reducing harmful emissions by converting toxic gases from the engine into less harmful substances before they exit the exhaust system. Without it, my Traverse would release dangerous pollutants like carbon monoxide, nitrogen oxides, and hydrocarbons directly into the air, which is bad for the environment and public health.
I’ve also noticed that the catalytic converter helps my engine run more efficiently. It maintains the right balance of exhaust flow, which supports better fuel economy and smoother performance. Plus, having a properly functioning catalytic converter means my vehicle meets emissions standards, so I can pass inspections and avoid fines. Overall, the catalytic converter is an essential part of my Traverse that keeps it cleaner, more efficient, and legally compliant — something I truly appreciate every time I drive.
My Buying Guides on 2018 Chevy Traverse Catalytic Converter
When I needed to replace the catalytic converter on my 2018 Chevy Traverse, I quickly realized that not all options are created equal. Here’s what I learned through the process that might help you make a smarter purchase.
Understanding the Catalytic Converter’s Role
First, it’s important to know why the catalytic converter is crucial. It reduces harmful emissions by converting exhaust gases into less toxic substances. For my Traverse, a properly functioning catalytic converter ensures the vehicle meets emission standards and runs efficiently.
OEM vs. Aftermarket: Which Should I Choose?
I debated between an OEM (Original Equipment Manufacturer) part and an aftermarket converter. OEM parts are guaranteed to fit and perform exactly like the original, but they come at a higher price. Aftermarket options are more affordable and sometimes offer better materials or designs, but quality can vary widely. I recommend going with a reputable aftermarket brand or sticking to OEM if you want peace of mind.
Fitment and Compatibility
The 2018 Chevy Traverse has specific engine types and configurations, so I had to ensure the catalytic converter matched my vehicle’s engine size and model year. Always check the part number and compatibility details before buying. Using a converter that isn’t a perfect fit can cause performance issues or trigger error codes.
Material Quality and Durability
I looked for converters made with high-quality stainless steel and efficient catalytic substrates like ceramic or metallic honeycombs. These materials withstand heat and corrosion better, which means the part lasts longer and performs consistently.
Emission Standards Compliance
Depending on your location, emission regulations vary. I made sure the catalytic converter I purchased was compliant with EPA or CARB standards (California Air Resources Board) to avoid legal or inspection issues.
Price and Warranty Considerations
Price was an important factor for me, but I balanced cost with quality and warranty offerings. A good warranty often indicates the manufacturer’s confidence in their product. I preferred converters with at least a 3-year or 50,000-mile warranty.
Installation: DIY or Professional Help?
While I considered installing the converter myself, I realized it requires proper tools and safety precautions. If you’re not experienced, getting a professional mechanic to install the part ensures it’s done correctly and can save time and potential headaches.
Final Thoughts
Buying a catalytic converter for my 2018 Chevy Traverse was about balancing quality, price, and compliance. By focusing on these areas—fitment, material, standards, and warranty—I found a part that restored my vehicle’s performance and kept it environmentally friendly. I hope my experience helps you make an informed decision!
Author Profile

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Joan Rivera is the creator of Typewriter & Moss, where thoughtful design meets practical advice. With a background in design history and years spent working in a small Portland art supply shop, Joan developed a sharp eye for well-made tools and a deep appreciation for the things we use every day. Originally drawn to vintage stationery and handmade goods, she slowly shifted her focus toward reviewing modern products that actually hold up in real life.
Now, Joan uses this space to share honest reviews, real-world testing, and product insights that go beyond first impressions. Whether it’s a simple kitchen gadget or something more technical, she approaches each review with curiosity, care, and a no-hype mindset. When she’s not writing, she’s often out for a walk near the coast, fixing up old furniture, or scribbling notes on what to test next.
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