Magnaflow 451255 Universal Converter - Magnaflow Conv Univ 2.25in Rear CA for a 2001-2004 Ford Mustang Base, 2004-2004 Ford Mustang GT, 2004-2004 Ford Mustang Mach 1 and 2004-2004 Ford Mustang SVT Cobra.
Manufacturer: Magnaflow
Product: Magnaflow Universal Converter
Part Number: 451255
UPC: 841380091321
$373.00
Free Shipping (Continental US)
New with manufacturer warranty
Availability:
IN STOCK (4)
SHIPS FROM MANUFACTURER
(Last checked: 02/14/2026)
Shipping times vary by Manufacturer
(Can take days or weeks, contact us for an ETA)
SHIPS FROM MANUFACTURER
(Last checked: 02/14/2026)
Shipping times vary by Manufacturer
(Can take days or weeks, contact us for an ETA)
Have a question regarding this product? Contact us.
Fitment:
NOTES: Magnaflow Conv Univ 2.25in Rear CA
| Years | Make | Model | Trim | ||
|---|---|---|---|---|---|
| 2001 - 2004 | Ford | Mustang | Base | ||
| 2004 - 2004 | Ford | Mustang | GT | ||
| 2004 - 2004 | Ford | Mustang | Mach 1 | ||
| 2004 - 2004 | Ford | Mustang | SVT Cobra |
Description:
Designed to meet California emissions standards; as well of those of other CARB-regulated states.. Magnaflow California Universal Catalytic Converter - 2.25in..
MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 451255 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 California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.
MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 451255 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 California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.
MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 451255 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 California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.
MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 451255 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 California Air Resource Board requirements, and has undergone additional testing to comply with CARB guidelines to allow for legal use in California and CARB restricted states, for the listed vehicles.
Related Links:
96-04 Ford Mustang Catalytic Converter UniversalOther 2001-2004 Ford Mustang Catalytic Converter Universal:
Magnaflow Universal Converter 444504
MagnaFlow Conv Universal 2.00 Front Spun
IN STOCK (3)
SHIPS FROM MANUFACTURER
(Last checked: 02/14/2026)
Shipping times vary by Manufacturer
(Can take days or weeks, contact us for an ETA)
SHIPS FROM MANUFACTURER
(Last checked: 02/14/2026)
Shipping times vary by Manufacturer
(Can take days or weeks, contact us for an ETA)
2003-2003 Ford Mustang Base
1994-2001 Ford Mustang Base
2001-2001 Mitsubishi Eclipse Spyder GT
2001-2001 Mitsubishi Eclipse GT
2004-2005 Subaru Impreza WRX STI
2002-2003 Subaru Impreza WRX
2002-2004 Subaru Impreza TS
1999-2005 Subaru Impreza RS
2005-2005 Subaru Impreza Outback Sport
2002-2004 Subaru Impreza Outback
1995-2000 Subaru Impreza Outback
1995-1996 Subaru Impreza LX
1995-2000 Subaru Impreza L
1996-1997 Subaru Impreza Brighton
1995-1995 Subaru Impreza Base
1994-2001 Ford Mustang Base
2001-2001 Mitsubishi Eclipse Spyder GT
2001-2001 Mitsubishi Eclipse GT
2004-2005 Subaru Impreza WRX STI
2002-2003 Subaru Impreza WRX
2002-2004 Subaru Impreza TS
1999-2005 Subaru Impreza RS
2005-2005 Subaru Impreza Outback Sport
2002-2004 Subaru Impreza Outback
1995-2000 Subaru Impreza Outback
1995-1996 Subaru Impreza LX
1995-2000 Subaru Impreza L
1996-1997 Subaru Impreza Brighton
1995-1995 Subaru Impreza Base
Magnaflow Universal Converter 441175
MagnaFlow Conv Univ 2.25in Inlet/Outlet Angled Offset/Center Calif OBDII
IN STOCK (5+)
SHIPS FROM MANUFACTURER
(Last checked: 02/14/2026)
Shipping times vary by Manufacturer
(Can take days or weeks, contact us for an ETA)
SHIPS FROM MANUFACTURER
(Last checked: 02/14/2026)
Shipping times vary by Manufacturer
(Can take days or weeks, contact us for an ETA)
2003-2003 Ford Mustang SVT Cobra 10th Anniversary
2003-2003 Ford Mustang SVT Cobra
2001-2001 Ford Mustang SVT Cobra
1996-1999 Ford Mustang SVT Cobra
2003-2003 Ford Mustang Mach 1
2001-2001 Ford Mustang GT Bullitt
1996-2003 Ford Mustang GT
2003-2003 Ford Mustang SVT Cobra
2001-2001 Ford Mustang SVT Cobra
1996-1999 Ford Mustang SVT Cobra
2003-2003 Ford Mustang Mach 1
2001-2001 Ford Mustang GT Bullitt
1996-2003 Ford Mustang GT
Magnaflow Universal Converter 451256
Magnaflow Conv Univ 2.50in Rear CA
IN STOCK (5+)
SHIPS FROM MANUFACTURER
(Last checked: 02/14/2026)
Shipping times vary by Manufacturer
(Can take days or weeks, contact us for an ETA)
SHIPS FROM MANUFACTURER
(Last checked: 02/14/2026)
Shipping times vary by Manufacturer
(Can take days or weeks, contact us for an ETA)
2004-2004 Ford Mustang SVT Cobra
2004-2004 Ford Mustang Mach 1
2004-2004 Ford Mustang GT
2001-2004 Ford Mustang Base
2004-2004 Ford Mustang Mach 1
2004-2004 Ford Mustang GT
2001-2004 Ford Mustang Base
Magnaflow Universal Converter 51175
MagnaFlow Conv Universal 2.25 Angled Inlet OEM
IN STOCK
1998-2002 Chevrolet Camaro Z28 SS
1998-2002 Chevrolet Camaro Z28
2004-2004 Ford Mustang SVT Cobra
2004-2004 Ford Mustang Mach 1
2004-2004 Ford Mustang GT
1996-2004 Ford Mustang Base
2004-2006 Infiniti G35 X
2003-2006 Infiniti G35 Base
2005-2005 Nissan 350Z 35th Anniversary Edition
2003-2006 Nissan 350Z Base
2003-2006 Nissan 350Z Enthusiast
2005-2006 Nissan 350Z Grand Touring
2003-2005 Nissan 350Z Performance
2003-2006 Nissan 350Z Touring
2003-2006 Nissan 350Z Track
1998-2002 Chevrolet Camaro Z28
2004-2004 Ford Mustang SVT Cobra
2004-2004 Ford Mustang Mach 1
2004-2004 Ford Mustang GT
1996-2004 Ford Mustang Base
2004-2006 Infiniti G35 X
2003-2006 Infiniti G35 Base
2005-2005 Nissan 350Z 35th Anniversary Edition
2003-2006 Nissan 350Z Base
2003-2006 Nissan 350Z Enthusiast
2005-2006 Nissan 350Z Grand Touring
2003-2005 Nissan 350Z Performance
2003-2006 Nissan 350Z Touring
2003-2006 Nissan 350Z Track
Magnaflow Universal Converter 441005
MagnaFlow Conv Univ 2.25inch OBDII Rear 50 State
IN STOCK (5+)
SHIPS FROM MANUFACTURER
(Last checked: 02/14/2026)
Shipping times vary by Manufacturer
(Can take days or weeks, contact us for an ETA)
SHIPS FROM MANUFACTURER
(Last checked: 02/14/2026)
Shipping times vary by Manufacturer
(Can take days or weeks, contact us for an ETA)
2001-2002 Audi S4 Avant
2001-2002 Audi S4 Base
2000-2000 Ford Mustang SVT Cobra R
2003-2003 Ford Mustang SVT Cobra 10th Anniversary
2003-2003 Ford Mustang SVT Cobra
2001-2001 Ford Mustang SVT Cobra
1996-1999 Ford Mustang SVT Cobra
2003-2003 Ford Mustang Mach 1
2001-2001 Ford Mustang GT Bullitt
1996-2003 Ford Mustang GT
2003-2003 Ford Mustang Base
1994-1998 Ford Mustang Base
2000-2000 Mazda Miata SE
2000-2000 Mazda Miata LS
1999-2000 Mazda Miata Base
1999-1999 Mazda Miata 10th Anniversary
2001-2001 Mitsubishi Eclipse GT
2001-2001 Mitsubishi Eclipse Spyder GT
1996-1997 Toyota Supra Base
1996-1997 Toyota Supra Twin Turbo
2001-2002 Audi S4 Base
2000-2000 Ford Mustang SVT Cobra R
2003-2003 Ford Mustang SVT Cobra 10th Anniversary
2003-2003 Ford Mustang SVT Cobra
2001-2001 Ford Mustang SVT Cobra
1996-1999 Ford Mustang SVT Cobra
2003-2003 Ford Mustang Mach 1
2001-2001 Ford Mustang GT Bullitt
1996-2003 Ford Mustang GT
2003-2003 Ford Mustang Base
1994-1998 Ford Mustang Base
2000-2000 Mazda Miata SE
2000-2000 Mazda Miata LS
1999-2000 Mazda Miata Base
1999-1999 Mazda Miata 10th Anniversary
2001-2001 Mitsubishi Eclipse GT
2001-2001 Mitsubishi Eclipse Spyder GT
1996-1997 Toyota Supra Base
1996-1997 Toyota Supra Twin Turbo

