★★★★★ 5
Worked Perfectly
Fits the S85 oil filter housing like a glove.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 6, 2026
MagnaFlow Conv DF 16-17 Ford Focus 2.3L Underbody
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
MagnaFlow Conv DF 16-17 Ford Focus 2.3L UnderbodySKU: 21 427 UPC: 888563166483 MagnaFlow Direct Fit Catalytic Converter for 2016 2018 Ford Focus 2. 3L The MagnaFlow 21 427 catalytic converter, engineered for seamless underbody installation that maintains emissions compliance while delivering consistent exhaust flow. This unit outperforms generic replacements by adhering strictly to original equipment specifications, ensuring your vehicle's computer recognizes it fully to prevent check engine light
Quick Dispatch:
Your MagnaFlow Conv DF 16-17 Ford Focus 2.3L Underbody orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
Order Tracking:
You'll receive a tracking link by email once your MagnaFlow Conv DF 16-17 Ford Focus 2.3L Underbody ships.
Need Help?
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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
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4.3 ★★★★★
Based on 547 reviews
Sort
Product Reviews
★★★★★ 5
Works as promised
Size: 2-Pack
Great product! Highly recommend. My check engine light turned off quickly, probably less than 20 minutes after I added the bottle to my tank and started driving. I waited a week to write the review just to make sure the check engine light didn’t turn on again. Success!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 1, 2026
★★★★★ 1
Don't waste your time
Size: 2-Pack
I did it 2 times back to back didn't do anything. Failed
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2026
★★★★★ 4
Don't buy if your cat is plugged
Size: 2-Pack
The product works just not for long I followed the directions even added 2 it worked good until I filled up the vehicle with fuel
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Reviewed in the United States on May 31, 2026
★★★★★ 5
Great Product
Size: 2-Pack
Great product, worked wonders!! I would definitely recommend to others to buy this product!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 5, 2026
