Shopping Cart

Your cart is empty.

Your cart is empty.

MagnaFlow Catalytic Converter 51679: OEM Grade, Direct-Fit (EPA Compliant)

4.9 (4) Write Review
Free shipping on orders over $29.99

$457.00

$ 99 .00 $99.00

In Stock
  • FEDERAL/EPA COMPLIANT - Extensive testing and certification processes are followed to guarantee that 51679 meets emissions standards set by the Federal EPA.
  • DIRECT-FIT INSTALLATION - State-Of-the-Art 3D scanning is used to ensure this direct-fit catalytic converter perfectly fits your vehicle, enabling do-it-yourself installation. All required hardware is included.
  • CLAMSHELL DESIGN - Durable stainless-steel construction, mandrel bent piping, precisely manufactured flared receivers, OEM-like O2 port locations and integrated butt joints make installation easy while guaranteeing optimal performance. The clamshell design features a continuous seam weld that ensures superior thermal insulation.
  • OEM GRADE - 51679 is built to OEM Grade standards, matching the performance and quality of your vehicle’s original catalytic converter.
  • 5 YEAR / 50,000-MILE LIMITED WARRANTY - Worry-free ownership is made possible thanks to the 5 year/50,000-mile construction and emissions warranty included with this MagnaFlow catalytic converter.


MagnaFlow direct-fit catalytic converters are designed for easy bolt-on installation for the professional installer. Each is designed to exact the original equipment specifications. While the majority of the direct-fit catalytic converter products do not require welding, cutting or bending, limited applications may require additional welding for optimal installation. All federal catalytic converters meet EPA requirements. Federal catalytic converters are not legal for sale, installation or use on vehicles registered in the state of California.


Mr. Torres
Reviewed in the United States on July 7, 2019
they, do what they do. the metal did changed color (due to the heat). But who cares, it still works.
techhead2k
Reviewed in the United States on June 3, 2015
Installed on 2001 Toyota Tacoma V6 4wd Federal Emissions. Fit was perfect. Appear well made. Nice thick flanges. Came with gaskets. Original converter made it to 164000 miles. Usually aftermarket converters do not last very long so time will tell. Magnaflow is more expensive than other aftermarket converters but appear to be better made than many others I looked at. Again only time will tell. It has been 2 months and no problems or codes. Make sure when changing a converter change both of your O2 sensors and use anti seize on the threads. Use Nippon Denso sensors as they are OEM. They can be had online cheap. Check Amazon. I speak from experience here.Update 1/2017: I dropped it one star. The converter is covered in surface rust to a greater extent that the OEM one was. I guess they use a lower grade of stainless steel than OEM. However it functions just fine and looks like it will last for many years.
macario sanchez
Reviewed in the United States on February 9, 2015
Hi it this part fit toyota tacoma 2003 4x4 extra cab 4 cylindre
Lenny S.
Reviewed in the United States on November 17, 2014
Easy fit Thanks
Recommended Products
MagnaFlow 51708 Direct Fit Catalytic Converter (Non-CARB Compliant)

$297.23

$ 99 .00 $99.00

4.9
Select Option
MagnaFlow Universal Catalytic Converter OEM Grade Federal/EPA Compliant 51659 - Stainless Steel 3in Inlet/Outlet Diameter, 8.75in Overall Length, No O2 Sensor - OEM Replacement

$281.00

$ 99 .00 $99.00

4.7
Select Option
MagnaFlow 339212 Large Stainless Steel CA Legal Direct Fit Catalytic Converter

$786.01

$ 99 .00 $99.00

4.6
Select Option
MagnaFlow 15599 Large Stainless Steel Performance Exhaust System Kit

$1,626.18

$ 99 .00 $99.00

4.6
Select Option
MagnaFlow 17115 Large Stainless Steel Performance Exhaust System Kit

$442.00

$ 99 .00 $99.00

4.7
Select Option
MagnaFlow Catalytic Converter 447185: California Grade, Direct-Fit (CARB Compliant)

$922.00

$ 99 .00 $99.00

5.0
Select Option
MagnaFlow Catalytic Converter 51602: OEM Grade, Direct-Fit, For 2005-2019 Nissan Frontier, For 2009-2012 Suzuki Equator (EPA Compliant)

$466.00

$ 99 .00 $99.00

4.3
Select Option
MagnaFlow 49931 Direct Fit Catalytic Converter

$716.00

$ 99 .00 $99.00

4.4
Select Option