Want to modify or upgrade your 2005-2008 Audi A4 with aftermarket catalytic converter universal? At OGTuners.com we have a great selection of aftermarket performance parts for your Audi A4. We have 11 catalytic converter universal parts available in our store with free shipping to the Continental US.
Magnaflow Universal Converter
 $854.00 456204MagnaFlow Conv Universal 2.00 inch Short CA IN STOCK (5+) SHIPS FROM MANUFACTURER (Last checked: 12/30/2025) Shipping times vary by Manufacturer (Can take days or weeks, contact us for an ETA) 2006-2006 Audi A4 Cabriolet |
 $194.00 51204MagnaFlow Conv Univ 2in Inlet/Outlet Ctr/Ctr Round 9in Body L x 5.125in W x 13in Overall L 49 State IN STOCK 2005-2008 Audi A4 Base 2007-2008 Audi A4 Cabriolet |
 $197.00 51234MagnaFlow Conv Univ 2in In/Out Ctr/Ctr Round 9in Body L x 5.125in W x 13in Overall L Single O2 Port IN STOCK (5+) SHIPS FROM MANUFACTURER (Last checked: 12/30/2025) Shipping times vary by Manufacturer (Can take days or weeks, contact us for an ETA) 1997-2005 Audi A4 Base 2003-2006 Audi A4 Cabriolet |
 $197.00 51235MagnaFlow Conv Universal 2.25 with single O2 OEM IN STOCK (5+) SHIPS FROM MANUFACTURER (Last checked: 12/30/2025) Shipping times vary by Manufacturer (Can take days or weeks, contact us for an ETA) 1997-2005 Audi A4 Base 2003-2006 Audi A4 Cabriolet |
 $718.00 5411306Magnaflow Conv Univ 2.50/2.50 Straight IN STOCK (5+) SHIPS FROM MANUFACTURER (Last checked: 12/30/2025) Shipping times vary by Manufacturer (Can take days or weeks, contact us for an ETA) 2005-2005 Audi A4 Base / Cabriolet |
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 $1,135.00 5461334Magnaflow California Grade Universal Catalytic Converter - 2in ID / 2in OD / 11.375in L IN STOCK (5+) SHIPS FROM MANUFACTURER (Last checked: 12/30/2025) Shipping times vary by Manufacturer (Can take days or weeks, contact us for an ETA) 2006-2008 Audi A4 Base |
 $1,333.00 5461335Magnaflow Conv Univ 2.25 W-O2 CA IN STOCK (5+) SHIPS FROM MANUFACTURER (Last checked: 12/30/2025) Shipping times vary by Manufacturer (Can take days or weeks, contact us for an ETA) 2006-2008 Audi A4 Base |
 $178.00 99204HMMagnaFlow Conv Univ 2.00inch IN STOCK 2005-2008 Audi A4 Base 2007-2008 Audi A4 Cabriolet |
 $182.00 99234HMMagnaFlow Conv Univ 2.00inch w/ single O2 IN STOCK (5+) SHIPS FROM MANUFACTURER (Last checked: 12/30/2025) Shipping times vary by Manufacturer (Can take days or weeks, contact us for an ETA) 1997-2005 Audi A4 Base 2003-2006 Audi A4 Cabriolet |
 $182.00 99235HMMagnaFlow Conv Univ 2.25inch w/ single O2 IN STOCK (5+) SHIPS FROM MANUFACTURER (Last checked: 12/30/2025) Shipping times vary by Manufacturer (Can take days or weeks, contact us for an ETA) 1997-2005 Audi A4 Base 2003-2006 Audi A4 Cabriolet |