SKU: 85160825339

2011-2012 Audi A8 Quattro Direct-Fit Catalytic Converter 21-694 Magnaflow

Sale price$427.95 Regular price$475.50
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Description

2011-2012 Audi A8 Quattro Direct-Fit Catalytic Converter 21-694 MagnaflowOverview: Keep the check engine light off with MagnaFlow OEM Grade Federal EPA Compliant Direct Fit Catalytic Converter 21 694. 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 21-694. 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 2011-2012 Audi A8 Quattro and interchanges with OE part 4H0 254 200 MX. 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
Audi 4H0 254 200 MX
Audi 4H0254200MX
Audi 4H0 254 200 MX
Audi 4H0254200MX

Application:

Year Make Model Submodel Engine Size
2011 - 2012 Audi A8 Quattro 4.2L/V8

Specs:

Mounting Hardware Included Yes
Air Tube Adaptable No
Outlet Attachment Bolt-On
Overall Length (In.) 14.75
Outlet Quantity 1
Inlet Quantity 1
Heat Shield Attached No
Type Direct-Fit
Title OEM Grade Direct-Fit
Subtitle Federal / EPA Compliant
Substrate Ceramic
Series OEM Grade
Oxygen Sensor Location Pre Converter and Midbed
Outlet Diameter (In.) 2.25
Material Stainless Steel
Body Height (In.) 5
Main Piping Diameter (In.) 2.25
Inlet Diameter (In.) 2.25
Inlet Attachment Bolt-On
Hangers Included No
Gasket Included Yes
Finish Stainless Steel
Converter Quantity 1
Clamp Included No
Body Width (In.) 5
Body Type Spun
Body Shape Round
Body Length (In.) 9.5
Sensor Port Count 2
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 85160825339

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4.4 ★★★★★
Based on 26 reviews
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Product Reviews
J
Verified Purchase
Jaclyn P.
Battle Creek, US
★★★★★ 4
Love this product but not the best for stubborn pimples
Size: 36 Count (Pack of 1)
The Mighty Patch Original Patch from Hero Cosmetics is hands-down one of the best acne solutions I’ve used. These hydrocolloid stickers actually shrink pimples and whiteheads overnight — I wake up and see a noticeable difference, even on stubborn spots that usually take days to calm down. They’re super easy to use — just stick on before bed and let them work while you sleep. They stay put, even if you accidentally touch your face, and don’t irritate my skin. I also like that they’re practically invisible enough to wear during the day if needed. Great for emergency breakouts or everyday maintenance. For anyone who wants fast, gentle, mess-free results, these Mighty Patches deliver!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 1, 2026
J
Verified Purchase
Just The Basics
Houston, US
★★★★★ 5
Truly Mighty! Best patches we’ve found.
Size: 36 Count (Pack of 1)
These patches live up to the name! They are hands-down the best pimple patches I’ve used. The versatility and fit are perfect, and they actually stay put. I have very sensitive skin and have had zero issues with irritation, which is a huge win. My daughter uses them too and absolutely loves how effective they are. A must-have in our house!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 30, 2026
S
Verified Purchase
ShopMom
Natrona Heights, US
★★★★★ 5
A total game changer (where were these when I was a teen?!)
Size: 72 Count (Pack of 1)
I honestly wish these had been around when I was younger! The Mighty Patch Original is hands-down the most effective way I’ve found to deal with stubborn whiteheads. Instead of picking at my skin and making things worse, I just pop one of these on at night and let it do the work while I sleep. By the morning, you can actually see the gunk it pulled out right on the patch (gross, but strangely satisfying). It significantly reduces the size and redness of the zit in just one use, and because it covers the spot, it stops me from touching it and causing more irritation. The 72-count pack is a great value and lasts quite a while. They stay put all night, even if you toss and turn, and they’re clear enough that you almost forget you’re wearing them. If you’re looking for a stress-free way to clear up your skin overnight, these are a must-have!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 7, 2026
C
Verified Purchase
C-Ashby
Lake Worth, US
★★★★★ 5
Works on all skin types
Size: 36 Count (Pack of 1)
What an amazing product! I'm in my 40s and still experience occasional acne. I purchased Mighty Patch, and after wearing it overnight, my blemish was noticeably cleared up by morning. I have fairly dry skin and already use quality skincare products both morning and night, so I was impressed by how well it worked. My 17-year-old son also tried one when he started getting a few breakouts, and it cleared up his blemish as well. His skin is much oilier than mine, which shows that this product can be effective for both dry and oily skin types. I’m very happy with the results and will definitely be purchasing it again!
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Reviewed in the United States on May 30, 2026
L
Verified Purchase
Lasanda s.
Fort Morgan, US
★★★★★ 4
Works as expected! Good value
Size: 36 Count (Pack of 1)
I bought these because I ran out of Curology patches that I got with the free trial. These work similarly; you’ll need one or two patches to fully get rid of the pimple— it depends on how large & inflamed it is. Even if you need two the first patch will still a do a good job of draining most the gross fluid out. I like that these are more translucent/transparent than some other brands I’ve seen. They’re not obnoxious looking if you’re wearing one or two in the daytime. The adhesion has been great so far. I’ve tried it on bare and moisturized skin and either way it holds up. Once it’s been stuck in place for a few minutes you can apply a moisturizer on your face OVER the patches without them slipping off. Just use a gentle touch. There’s probably cheaper pimple patches from smaller brands but $4.49 (before tax) is definitely a reasonable cost for 30 patches So I gave it 4 stars for value for money. My only qualm is that the small size pimple patches could stand to be at least slightly bigger. Only new closed comedones that are just forming are that small (typically). Otherwise I’m satisfied with this purchase.
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Reviewed in the United States on May 30, 2026

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