SKU: 56866447013

Catalytic Converter for OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter MagnaFlow 51221

Sale price$423.00 Regular price$470.00
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Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 29 - Sep 3

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Description

Catalytic Converter for OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter MagnaFlow 51221Overview: MagnaFlow OEM Grade Federal EPA Compliant Direct Fit Catalytic Converter 51221 helps keep the check engine light off. DIY installation is easy with the proper tools (no cutting or welding required). With features including mandrel bent tubing to eliminate flow restrictions and stainless steel construction to resist corrosion, you can have confidence in the quality of this catalytic converter. Using state of the art 3D scanning systems in the

Overview:

MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 51221 helps keep the check engine light off. DIY installation is easy with the proper tools (no cutting or welding required). With features including mandrel-bent tubing to eliminate flow restrictions and stainless steel construction to resist corrosion, you can have confidence in the quality of this catalytic converter. Using state-of-the-art 3D scanning systems in the design process, the MagnaFlow metrology department ensures this new part to fit and function like the original equipment. This direct-fit catalytic converter is designed to fit the 2005-2007 Ford F-250 Super Duty and 2005-2007 Ford F-350 Super Duty. Avoid potential exhaust leaks by using the included gaskets to get a proper seal.

Note : Not For Sale in California

Interchange:

Brand  Interchange Part Number

Application:

Year Make Model Submodel Engine Size
2005 - 2007 Ford F-350 Super Duty 6.8L/V10
2005 - 2007 Ford F-350 Super Duty 5.4L/V8
2005 - 2007 Ford F-250 Super Duty 6.8L/V10
2005 - 2007 Ford F-250 Super Duty 5.4L/V8

Specs:

Body Material Stainless Steel
Overall Length (In.) 33.9
Substrate Material Ceramic
Air Tube Adaptable No
Converter Quantity 1
Inlet Attachment Bolt-On
Main Piping Diameter (In.) 3
Outlet Attachment Clamp-On
Finish Stainless Steel
Material Stainless Steel
Series OEM Grade
Subtitle Federal / EPA Compliant
Title OEM Grade Direct-Fit
Type Direct-Fit
Oxygen Sensor Location None
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:
  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: 56866447013

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Product Reviews
A
Verified Purchase
ab4u
Port Orchard, US
★★★★★ 5
Excellent 3M Headlight Restoration Kit!
Size: 1 Kit, Size: 1 Kit
Better than expected results. This 3M Kit needs no drill; all done by hand. Check out their videos on YouTube; follow the easy instructions. This $10 3M Kit, an hour and a half of my time, saved me over $300! What a serious savings! Thank you 3M for another fantastic product!
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Reviewed in the United States on April 6, 2026
A
Verified Purchase
Angela Allen
Whiting, US
★★★★★ 5
Affordable and it works !
Size: 1 Kit, Size: 1 Kit
Works great price is decent and easy to use
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026
K
Verified Purchase
Kirsten Fahey
Birmingham, US
★★★★★ 5
Amazing Product!
Product worked great on some of the older trucks I use for construction vehicles. This product made all the lights look brand spanking new. Awesome product, and definitely recommend if you have any fogging in your headlights. It doesn’t matter the age of the cars/trucks as this product makes them look brand new regardless. I used on both new and older vehicles and you couldn’t tell the difference because the lights looked so clean on both. The product worked amazing . I also noticed at nighttime the headlights provided better visibility too! Perfectly priced!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 15, 2025
A
Verified Purchase
AquaNar
Waukegan, US
★★★★★ 5
This works
Wow!! I am shocked at how good this works. In addition to the fact that it works, it is Packaged with novice people in mind to get maximum results. This was worthy of before and after pictures; but, starting tge project, honestly didn't think it would result in the way it did.
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Reviewed in the United States on December 22, 2025
R
Verified Purchase
Robert Brice
Lake Worth, US
★★★★★ 4
Headlight cleaner
Gave as a gift. Haven’t heard anything negative
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 9, 2026

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