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04-05 Audi S4 Catalytic Converter Universal

Want to modify or upgrade your 2004-2005 Audi S4 with aftermarket catalytic converter universal? At OGTuners.com we have a great selection of aftermarket performance parts for your Audi S4. We have 8 catalytic converter universal parts available in our store with free shipping to the Continental US.


Magnaflow Aftermarket Parts

Magnaflow Universal Converter

Magnaflow Universal Converter 441204
$585.00
441204
MagnaFlow Conv Universal 2.00 inch Rear CA
IN STOCK (5)
SHIPS FROM MANUFACTURER
(Last checked: 12/31/2025)
Shipping times vary by Manufacturer
(Can take days or weeks, contact us for an ETA)
2004-2006 Audi S4 Avant / Base / Cabriolet
Magnaflow Universal Converter 441205
$516.00
441205
MagnaFlow Conv Universal 2.25 Rear 540
IN STOCK (5+)
SHIPS FROM MANUFACTURER
(Last checked: 12/31/2025)
Shipping times vary by Manufacturer
(Can take days or weeks, contact us for an ETA)
2004-2004 Audi S4 Avant / Base / Cabriolet
Magnaflow Universal Converter 444506
$421.00
444506
MagnaFlow Conv Universal 2.50 Front Spun
IN STOCK (5+)
SHIPS FROM MANUFACTURER
(Last checked: 12/31/2025)
Shipping times vary by Manufacturer
(Can take days or weeks, contact us for an ETA)
2005-2005 Audi S4 Avant / Base / Cabriolet
Magnaflow Universal Converter 51204
$194.00
51204
MagnaFlow Conv Univ 2in Inlet/Outlet Ctr/Ctr Round 9in Body L x 5.125in W x 13in Overall L 49 State
IN STOCK
2004-2008 Audi S4 Avant / Base
2004-2009 Audi S4 Cabriolet
Magnaflow Universal Converter 51205
$194.00
51205
MagnaFlow Conv Univ 2.25in Inlet/Outlet Center/Center Round 9in Body L x 5.125in W x 13in Overall L
IN STOCK
2004-2008 Audi S4 Avant / Base
2004-2009 Audi S4 Cabriolet
Magnaflow Universal Converter 51235
$197.00
51235
MagnaFlow Conv Universal 2.25 with single O2 OEM
IN STOCK (5+)
SHIPS FROM MANUFACTURER
(Last checked: 12/31/2025)
Shipping times vary by Manufacturer
(Can take days or weeks, contact us for an ETA)
2004-2008 Audi S4 Avant / Base
2004-2009 Audi S4 Cabriolet
Magnaflow Universal Converter 99204HM
$178.00
99204HM
MagnaFlow Conv Univ 2.00inch
IN STOCK
2004-2008 Audi S4 Avant / Base
2004-2009 Audi S4 Cabriolet
Magnaflow Universal Converter 99235HM
$182.00
99235HM
MagnaFlow Conv Univ 2.25inch w/ single O2
IN STOCK (5+)
SHIPS FROM MANUFACTURER
(Last checked: 12/31/2025)
Shipping times vary by Manufacturer
(Can take days or weeks, contact us for an ETA)
2004-2008 Audi S4 Avant / Base
2004-2009 Audi S4 Cabriolet