Go-Parts
Cart 0
Your cart is empty
Add an item to see it appear here.

1999 - 2017 Ford Mustang Catalytic Converter - Left or Rear Left or Rear Right or Right (MagnaFlow Performance Exhaust) NEW

Out of Stock
$ 220 .00

Product Notes

Position: Left (Driver Side) or Rear Left (Driver Side) or Rear Right (Passenger Side) or Right (Passenger Side)
Cutting and Welding Required
Universal OEM Grade Federal (Not legal for sale or use in CA, CO and NY)
MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51355 helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with California or Federal/EPA Emission systems.
Brand: MagnaFlow Performance Exhaust
Condition: New
LIFE
TIME
Lifetime Warranty Included
This part is backed by our industry-leading lifetime warranty. Shop with total confidence.
100%money-back 120-dayreturns OE-gradequality
Wrenchy the Robot

Meet Wrenchy - The Amazing Parts Assistant!

Voice or type your vehicle details and Wrenchy will confirm fitment in seconds.

Specifications & Info


Attribute Value
Air Tube Adaptable No
Air Tube Count 0
Body Height 4.375
Body Material Stainless Steel
Body Shape Round
Body Type Clam-shell
Body Width 4.25
CARB Executive Order Number Not Applicable
California Air Resources Board (CARB) Certified No
Clamps Included No
Hangers Included No
Heat Shield Attached Yes
Heat Shield Material Aluminized Steel
Inlet Gasket Included No
Inlet Inside Diameter 2.25
Inlet Mounting Hardware Included No
Inlet Orientation Straight
Inlet Quantity 1
Outlet Gasket Included No
Outlet Inside Diameter 2.25
Outlet Mounting Hardware Included No
Outlet Orientation Straight
Outlet Quantity 1
Oxygen Sensor Location Midbed
Sensor Port Count 1
Substrate Material Ceramic
Tube Material Stainless Steel

Vehicle Fitment Guide

This part fits the following vehicles:

Ford 1 model (tapclick to expand)(tapclick to hide)
Mustang 1999-2017 (tapclick to expand)(tapclick to hide)
Swipe left/right to see more info
SubmodelSUB-
MODEL
Body Style Years Engine Attributes
Base Convertible 2016 V8 5.0L RWD Automatic & Manual
Base Convertible 2011 - 2014, 2016 V6 3.7L RWD Automatic & Manual
Base Convertible 2005 - 2010 V6 4.0L RWD Automatic & Manual
Base Convertible 2004 V6 3.9L RWD Automatic & Manual
Base Convertible 1999 - 2004 V6 3.8L RWD Automatic & Manual
Base Convertible 1999 - 2003, 2010 V8 4.6L RWD Automatic & Manual
Base Coupe 2016 V8 5.0L RWD Automatic & Manual
Base Coupe 2011 - 2016 V6 3.7L RWD Automatic & Manual
Base Coupe 2005 - 2010 V6 4.0L RWD Automatic & Manual
Base Coupe 2004 V6 3.9L RWD Automatic & Manual
Base Coupe 1999 - 2004 V6 3.8L RWD Automatic & Manual
Base Coupe 1999 - 2003, 2010 V8 4.6L RWD Automatic & Manual
Boss 302 Coupe 2012 - 2013 V8 5.0L RWD Manual
Bullitt Coupe 2008 - 2009 V8 4.6L RWD Manual
EcoBoost Coupe 2015 - 2017 L4 2.3L Turbo RWD Automatic & Manual
EcoBoost Premium Convertible 2015 - 2017 L4 2.3L Turbo RWD Automatic & Manual
EcoBoost Premium Coupe 2015 - 2017 L4 2.3L Turbo RWD Automatic & Manual
Equipado Convertible 1999 - 2003 V8 4.6L RWD Automatic & Manual
Equipado Coupe 1999 - 2003 V8 4.6L RWD Automatic & Manual
GT Convertible 2011 - 2015 V8 5.0L RWD Automatic & Manual
GT Convertible 1999 - 2010 V8 4.6L RWD Automatic & Manual
GT Coupe 2016 V8 5.2L RWD Manual
GT Coupe 2011 - 2017 V8 5.0L RWD Automatic & Manual
GT Coupe 1999 - 2010 V8 4.6L RWD Automatic & Manual
GT 50 Years Limited Edition Coupe 2015 V8 5.0L RWD Automatic & Manual
GT Base Convertible 2004 - 2008 V8 4.6L RWD Automatic & Manual
GT Base Coupe 2004 - 2008 V8 4.6L RWD Automatic & Manual
GT Bullitt Coupe 2001 V8 4.6L RWD Automatic & Manual
GT Equipado Convertible 2004 - 2009 V8 4.6L RWD Automatic & Manual
GT Equipado Coupe 2004 - 2009 V8 4.6L RWD Automatic & Manual
GT Premium Convertible 2015 - 2017 V8 5.0L RWD Automatic & Manual
GT Premium Coupe 2015 - 2017 V8 5.0L RWD Automatic & Manual
Lujo Convertible 2007 - 2009 V6 4.0L RWD Automatic & Manual
Lujo Convertible 2007 - 2009 V8 4.6L RWD Automatic & Manual
Lujo Coupe 2007 - 2009 V6 4.0L RWD Automatic & Manual
Lujo Coupe 2007 - 2009 V8 4.6L RWD Automatic & Manual
Mach 1 Coupe 2003 - 2004 V8 4.6L RWD Automatic & Manual
ST Coupe 2014 V6 3.7L RWD Automatic
ST Coupe 2012, 2014 V6 3.7L RWD Manual
SVT Cobra Convertible 2003 - 2004 V8 4.6L Supercharged RWD Manual
SVT Cobra Convertible 1999, 2001 V8 4.6L RWD Manual
SVT Cobra Coupe 2003 - 2004 V8 4.6L Supercharged RWD Manual
SVT Cobra Coupe 1999, 2001 V8 4.6L RWD Manual
SVT Cobra 10th Anniversary Convertible 2003 V8 4.6L Supercharged RWD Manual
SVT Cobra 10th Anniversary Coupe 2003 V8 4.6L Supercharged RWD Manual
SVT Cobra R Coupe 2000 V8 5.4L RWD Manual
Shelby Convertible 2013 - 2014 V8 5.8L Supercharged RWD Manual
Shelby Convertible 2009 - 2012 V8 5.4L Supercharged RWD Manual
Shelby Coupe 2013 - 2014 V8 5.8L Supercharged RWD Manual
Shelby Coupe 2009 - 2012 V8 5.4L Supercharged RWD Manual
Shelby GT Convertible 2008 V8 4.6L RWD Automatic & Manual
Shelby GT Coupe 2007 - 2008 V8 4.6L RWD Automatic & Manual
Shelby GT350 Coupe 2015 - 2017 V8 5.2L RWD Manual
Shelby GT350R Coupe 2015 - 2017 V8 5.2L RWD Manual
Shelby GT500 Convertible 2013 - 2014 V8 5.8L Supercharged RWD Manual
Shelby GT500 Convertible 2007 - 2012 V8 5.4L Supercharged RWD Manual
Shelby GT500 Coupe 2013 - 2014 V8 5.8L Supercharged RWD Manual
Shelby GT500 Coupe 2007 - 2012 V8 5.4L Supercharged RWD Manual
Shelby GT500KR Coupe 2008 - 2009 V8 5.4L Supercharged RWD Manual
V6 Convertible 2015 - 2017 V6 3.7L RWD Automatic & Manual
V6 Coupe 2015 - 2017 V6 3.7L RWD Automatic & Manual
V8 Convertible 2017 V8 5.0L RWD Automatic & Manual
V8 Coupe 2017 V8 5.0L RWD Automatic & Manual
Verify before ordering — please confirm your vehicle's year, make, model and sub-model specifications before placing your order. If anything is unclear, our customer service team is available to help.

Policies

Shipping Information

We offer fast, reliable shipping on all orders:

  • Ships to all countries via US Postal Service Priority Mail.
  • Most orders ship within 1 business day.
  • Delivery time: 1-4 business days after shipment.
  • International shipping available, including APO/FPO addresses.
  • Tracking information provided for all shipments.
  • Additional handling fees may apply for oversized/overweight packages.

Return Policy

We want you to be 100% satisfied with your purchase. That's why we offer:

  • 120-Day Returns - Return any part within 120 days from date of receipt.
  • Must obtain RMA (Return Merchandise Authorization) number before returning.
  • Parts must be in original condition, uninstalled, unaltered, and in original packaging.
  • Important: Electrical parts are not returnable if unsealed.
  • Please inspect parts upon arrival and notify us within 5 days of receiving incorrect or damaged parts.
  • Refunds processed after warehouse receives return and credited to original payment method.

Warranty

This part comes with a limited lifetime warranty. Warranty begins on the original purchase date.

Warranty does NOT cover:

  • Shipping costs or labor expenses.
  • Installation errors.
  • Parts used for racing.
  • Commercial vehicle parts.
MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51355 helps keep the check engine light off. Get the right fit for a wide array of vehicles thanks to the adaptable Universal design (cutting and welding is required). With highly corrosion resistant, stainless steel construction, you can have confidence in the quality of this catalytic converter. This replacement part is designed to meet or exceed Federal emissions requirements set forth by the EPA, complying with legal standards for OBDII Federally registered vehicles with California or Federal/EPA Emission systems.

Fits Years: 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017

Fits Models: Mustang

Go-Parts Garage · Featured Guide

Ford Mustang Catalytic Converter Guide for 2006-2015 Models

Everything you need to know before replacing the catalytic converter on your S197 or early S550 Mustang.

Read Full Guide

⚠️ Related Trouble Codes (OBD-II)

2 matching guides

If your scan tool is showing one of these trouble codes, this part is a common fix. Each guide explains the code, how to diagnose it, and exactly what to replace.

↑ A single part can trigger multiple related trouble codes. Each guide is vehicle- and code-specific.
Why Millions Choose Go-Parts

Your Go-To Place
for auto parts.

In operation since 2007. Trusted by over a million DIYers, mechanics, and body shops across all 50 states.

100%
Money-Back Guarantee

Shop With Total Confidence

If it doesn't fit, we make it right. No gimmicks, no fine print.

120
Day Return Window

4× the Industry Standard

Most retailers stop at 30 days. We give you a full four months to install, test, and return for a 100% refund — return shipping on us.

NEW
Direct-Fit Replacement

Engineered To OEM Specs

Brand-new aftermarket parts from trusted suppliers — built to original-equipment specifications so they fit and function like the factory unit, at a fraction of the price.

What buyers are saying.

★★★★★ 4.9 1,451 verified reviews

Racing Partner Videos

×

Search by Vehicle

1
2
3
Added to cart · Part