SKU: 53193863897

Catalytic Converter for 2004-2009 Audi S4 4.2L OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter MagnaFlo

Sale price$472.50 Regular price$525.00
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  • CAN

Ships within 48 hours · Estimated delivery Jul 31 - Aug 5

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Description

Catalytic Converter for 2004-2009 Audi S4 4.2L OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter MagnaFloOverview: Keep the check engine light off with MagnaFlow OEM Grade Federal EPA Compliant Direct Fit Catalytic Converter 49917. 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 49917. 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 2004-2009 Audi S4 and interchanges with OE parts 8E0 254 505 SX and 8E0 254 502 JX.

Note : Not For Sale in California

Interchange:

Brand  Interchange Part Number
Audi 8E0 254 502 JX
Audi 8E0 254 505 SX
Audi 8E0254502JX
Audi 8E0254505SX
Audi 8E0 254 502 JX
Audi 8E0 254 505 SX
Audi 8E0254502JX
Audi 8E0254505SX

Application:

Year Make Model Submodel Engine Size
2004 - 2009 Audi S4 4.2L/V8

Specs:

Body Material Stainless Steel
Overall Length (In.) 45.5
Title OEM Grade Direct-Fit
Substrate Material Ceramic
Air Tube Adaptable No
Converter Quantity 2
Inlet Attachment Bolt-On
Main Piping Diameter (In.) 2.5
Finish Stainless Steel
Oxygen Sensor Location Pre and Post Converter
Material Stainless Steel
Type Direct-Fit
Subtitle Federal / EPA Compliant
Series OEM Grade
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: 53193863897

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4.4 ★★★★★
Based on 26 reviews
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Harley Smith
Dallas, US
★★★★★ 5
Very good, helps with pcos acne and dark spots
I have pcos, so my acne and dark marks from acne can get pretty severe, in one use there was a visible change. It doesn't have an intense fragrance. It doesn't make my skin feel heavy, sticky, or greasy. My skin feels healthier and holds moisture better. It has a good amount of product in each container. I'd say its definitely got a good amount of value for the money.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 5, 2026
J
Verified Purchase
Jacqueline
Bozeman, US
★★★★★ 5
Good Molecule
I tried their one product once and it was very good, so when I saw the set range - I definitely had to get it. A great set introduction to this line of brand. It’s light, it works and the price bracket is friendly on your wallet.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 11, 2026
V
Verified Purchase
veronique francis
Carnegie, US
★★★★★ 5
Hydrated & Bright: My Good Molecules Review
​I recently overhauled my daily skincare routine with a full lineup from Good Molecules, and the results have been nothing short of wonderful. I've been consistently using their cleanser, toner, hyaluronic acid, Wakeup Eye Gel, and daily moisturizer, and my face has completely transformed. Overall, my skin feels incredibly soft, looks noticeably brighter, and stays perfectly moisturized all day long.
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Reviewed in the United States on May 20, 2026
D
Verified Purchase
Dazzmine Bailey
Natrona Heights, US
★★★★★ 5
Good combo for the price
I have eczema which causes me to have very dry skin. I have been using this for 3 weeks and only had 1 breakout which I don’t think correlated. I did go in with extra moisturizer on top of the moisturizer that is included.
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Reviewed in the United States on March 23, 2026
E
Verified Purchase
Eschief Childs
West Palm Beach, US
★★★★★ 5
Great product
Love this product! I've always struggled with acne as a teen and even now that I'm 32. I've tried other products like the more expensive stuff but i see no results and with this I've had success and will continue to use!
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Reviewed in the United States on May 15, 2026

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