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Description
Catalytic Converter for OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter MagnaFlow 49143Overview: Keep the check engine light off with MagnaFlow OEM Grade Federal EPA Compliant Direct Fit Catalytic Converter 49143. 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
Overview:
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49143. 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.
Designed to fit the 2008-2013 Infiniti G37, 2014-2015 Infiniti Q50, and more, this direct-fit catalytic converter also interchanges with OE parts B08B3-1ET0B, B08B3-4GB0B, among others. The included gaskets & hardware reduce the possibility of a leaking seal while avoiding the need to reuse corroded factory parts for installation.
Note : Not For Sale in California
Interchange:
| Brand | Interchange Part Number |
|---|---|
| Nissan | B08B3-4GB0B |
| Infiniti | B08B3-6WY0A |
| Infiniti | B08B3-EJ80B |
| Infiniti | B08B3-JJ50B |
| Infiniti | B08B3-JK20B |
| Infiniti | B08B3-JK60B |
| Nissan | B08B2EV11A |
| Nissan | B08B2EV11B |
| Nissan | B08B2EV50A |
| Nissan | B08B2EV50B |
| Infiniti | B08B31BA0B |
| Infiniti | B08B31ET0B |
| Nissan | B08B31ET0B |
| Infiniti | B08B31MD0B |
| Infiniti | B08B31NA0B |
| Nissan | B08B31NC0A |
| Infiniti | B08B31NC0B |
| Nissan | B08B31NC0B |
| Infiniti | B08B33WY0B |
| Nissan | B08B34GB0B |
| Infiniti | B08B36WY0A |
| Infiniti | B08B3EJ80B |
| Infiniti | B08B3JJ50B |
| Infiniti | B08B3JK20B |
| Infiniti | B08B3JK60B |
| Nissan | B08B2-EV11A |
| Nissan | B08B2-EV11B |
| Nissan | B08B2-EV50A |
| Nissan | B08B2-EV50B |
| Infiniti | B08B3-1BA0B |
| Infiniti | B08B3-1ET0B |
| Nissan | B08B3-1ET0B |
| Infiniti | B08B3-1MD0B |
| Infiniti | B08B3-1NA0B |
| Nissan | B08B3-1NC0A |
| Infiniti | B08B3-1NC0B |
| Nissan | B08B3-1NC0B |
| Infiniti | B08B3-3WY0B |
| Nissan | B08B3-4GB0B |
| Infiniti | B08B3-6WY0A |
| Infiniti | B08B3-EJ80B |
| Infiniti | B08B3-JJ50B |
| Infiniti | B08B3-JK20B |
| Infiniti | B08B3-JK60B |
| Nissan | B08B2EV11A |
| Nissan | B08B2EV11B |
| Nissan | B08B2EV50A |
| Nissan | B08B2EV50B |
| Infiniti | B08B31BA0B |
| Infiniti | B08B31ET0B |
| Nissan | B08B31ET0B |
| Infiniti | B08B31MD0B |
| Infiniti | B08B31NA0B |
| Nissan | B08B31NC0A |
| Infiniti | B08B31NC0B |
| Nissan | B08B31NC0B |
| Infiniti | B08B33WY0B |
| Nissan | B08B34GB0B |
| Infiniti | B08B36WY0A |
| Infiniti | B08B3EJ80B |
| Infiniti | B08B3JJ50B |
| Infiniti | B08B3JK20B |
| Infiniti | B08B3JK60B |
| Nissan | B08B2-EV11A |
| Nissan | B08B2-EV11B |
| Nissan | B08B2-EV50A |
| Nissan | B08B2-EV50B |
| Infiniti | B08B3-1BA0B |
| Infiniti | B08B3-1ET0B |
| Nissan | B08B3-1ET0B |
| Infiniti | B08B3-1MD0B |
| Infiniti | B08B3-1NA0B |
| Nissan | B08B3-1NC0A |
| Infiniti | B08B3-1NC0B |
| Nissan | B08B3-1NC0B |
| Infiniti | B08B3-3WY0B |
Application:
| Year | Make | Model | Submodel | Engine Size |
|---|---|---|---|---|
| 2007 - 2008 | Infiniti | G35 | 3.5L/V6 | |
| 2008 - 2013 | Infiniti | G37 | 3.7L/V6 | |
| 2007 - 2009 | Nissan | 350Z | 3.5L/V6 | |
| 2009 - 2015 | Nissan | 370Z | 3.7L/V6 | |
| 2008 - 2010 | Infiniti | EX35 | 3.5L/V6 | |
| 2013 | Infiniti | EX37 | 3.7L/V6 | |
| 2009 - 2012 | Infiniti | FX35 | 3.5L/V6 | |
| 2013 | Infiniti | FX37 | 3.7L/V6 | |
| 2009 - 2010 | Infiniti | M35 | 3.5L/V6 | |
| 2011 - 2013 | Infiniti | M37 | 3.7L/V6 | |
| 2014 - 2017 | Infiniti | QX70 | 3.7L/V6 | |
| 2014 - 2015 | Infiniti | Q60 | 3.7L/V6 | |
| 2014 - 2015 | Infiniti | Q50 | 3.7L/V6 | |
| 2015 | Infiniti | Q40 | 3.7L/V6 | |
| 2015 - 2017 | Infiniti | Q70L | 3.7L/V6 | |
| 2014 - 2017 | Infiniti | Q70 | 3.7L/V6 |
Specs:
| Body Material | Stainless Steel |
|---|---|
| Overall Length (In.) | 18.875 |
| Substrate Material | Ceramic |
| Air Tube Adaptable | No |
| Converter Quantity | 2 |
| Oxygen Sensor Location | Post Converter |
| Finish | Stainless Steel |
| Series | OEM Grade |
| Main Piping Diameter | 2.25 |
| Subtitle | Federal / EPA Compliant |
| Title | OEM Grade Direct-Fit |
| Material | Stainless Steel |
| Type | Direct-Fit |
| Inlet Attachment | Bolt-On |
| Outlet Attachment | Bolt-On |
| Heat Shield Included | Yes |
| Mounting Hardware Included | Yes |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.0 ★★★★★
Based on 23 reviews
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Product Reviews
★★★★★ 4
Vintage 60's cool, but sizing is a difficult decision
I can't believe I haven't owned one of these for the last 40 years or so. To put one on after all these years takes one right back to the questionable days of one's youth when you wore these bare chested underneath while tooling around on your Kawasaki 500 triple. Well it will take you back if you haven't let yourself go too far!
I received both a large and a medium in black (love the free returns on clothing, I always order two sizes so I get the right fit). They are both made in Mexico and look very neat and well made, the denim is on the thin side but OK for warm weather. Nowhere is there any tag saying shrink to fit or shrinks two sizes. The tag says machine wash cold, tumble dry medium.
The large is quite large on me (I'm 5'9" 168 lbs trim and athletic build, more often than not I wear large in T shirts and jackets), the sleeves are way too long and loose, body too long and loose. Would have to shrink drastically to fit me, I really doubt it would shrink anywhere near that much. This type jacket is just all wrong if it's too loose fitting, witness the BLACK color one in the model photos, just not too cool.
The medium fits much much smaller but IMHO perfect for this style jacket, a classic fit like Steve McQueen or Robert Plant would have sported, high waist and tight shoulders with sleeves rolled back a little. If you look at the model in the 'HARRINGTON' color you have the idea. It will be totally bitchen on today's big black BMW oilhead. This is the youthful fit I was looking for but any shrinkage would be too much. I am conflicted because I would like to wash this jacket and break it in, put a little wear and tear on it. But I wouldn't dare dry it with heat. I might try washing it in cold water and then line dry or I may just dry clean it. I am tempted to go out and drag it up and down the gravel driveway and run it over with my truck a few times till it acquires some of the same attitude it inspires in me. All I need now is a Psychedelic soundtrack and I'm all set to relive the glory days, better than the first time around.
A little research on the Levi's website reveals they have a regular fit and a slim fit in addition to this relaxed fit which is the only one available on Amazon. I find that this relaxed version works well in the medium size anyway, it seems to be relaxed only in the body, not so much in shoulders or sleeves.
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Reviewed in the United States on January 3, 2015
★★★★★ 5
Fit True to Size
Special Size Type: Standard, Size: Medium, Color: (New) in the Sandbox
Good quality you'd expect from Levis. Fit on the very slightly snug size of true to size. Very nice jacket.
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Reviewed in the United States on May 31, 2026
★★★★★ 5
Large fits well, comfortable, though a bit more flex to it than expected
Special Size Type: Standard, Size: Large, Color: Colusa/Stretch
Very nice, though it is stretchier than expected. I purchased a large. The fit is good for me at 5'11" / 200lb, average build. My shoulders are a bit broader than most and the fit is maybe just a weeeeee bit tight, under the arm when reaching for something. The arm length and overall length are both great. This will be a mid-season jacket so I do not plan to wear a hoody or other bulky item under it. It would work, but I think a bit too snug for me. I reccomend washing it immeidately then taking a hot iron with steam to the pockets and collar which I feared were trying to start and curl up. They need to be trained early! I am more pleased than expected.
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Reviewed in the United States on March 30, 2025
★★★★★ 5
TRIED OTHER DENIM JACKETS LEVI THE ONLY WAY
This jacket is exactly what I was hoping for timeless, clean, and super versatile. The black denim looks sharp and goes with everything, from jeans to chinos. The fit is true to size and hits that perfect spot between fitted and comfortable. I can move around easily without it feeling stiff, and it breaks in nicely after a few wears.
The quality really stands out — solid stitching, durable buttons, and that signature Levi’s structure that just looks good no matter how you style it. It’s warm enough for cool days but still light enough to wear indoors or layer over a hoodie.
Im 180lbs 6’2 for reference, If you’re after that classic denim jacket look that never goes out of style, this one’s it. I get compliments every time I wear it. Also I’ve owned it a year now and it still looks great.
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Reviewed in the United States on November 2, 2025
★★★★★ 5
Levi Sun Surf Type 3 Denim Trucker Jacket - Med Wash
Special Size Type: Standard, Size: Medium, Color: (New) Sun Surf, Special Size Type: Standard, Size: Medium, Color: (New) Sun Surf
Levi Type 3 Trucker jackets are the best you can buy. Every one should own a couple of these. I have every color of the Premium versions, that I bought straight from Levi. I've been wanting to try this Sun Surf type 3 from Amazon for a while now. I bought this one to wear over my hoodies on the cooler days and nights, because of its wide body fit. It's not as slim as the Premiums, but it's just as official. It's super soft and lightweight. The fit and appearance is on point. It looks just like the pictures. Love it! I might get a dark wash as well. Amazon + Levi for the win again!
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Reviewed in the United States on May 15, 2026