View our Specials! Coupon Code: SaveIn2026
Looking for aftermarket parts to modify or upgrade your Audi A4 with catalytic converter universal? At Tunersports.com we carry a huge selection of the top name brand performance catalytic converter universal parts and accessories.
 IN STOCK - DROPSHIPS 408004MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 408004 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 constructi... MagnaFlow Universal Catalytic Converter 2.00 inch CA Tier1 1996-1997 Audi A4 Base $325.00 |
 IN STOCK - DROPSHIPS 408005MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 408005 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 constructi... MagnaFlow Universal Catalytic Converter 2.25 inch CA Tier 1 1996-1997 Audi A4 Base $345.00 |
 IN STOCK - DROPSHIPS 418004MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 418004 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 constructi... MagnaFlow Catalytic Converter 2 in Inlet 2 in Outlet 11 in Length SS 1996-1999 Audi A4 Base 1998-1998 Audi A4 Avant $477.00 |
 IN STOCK - LOW 418005MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 418005 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 constructi... MagnaFlow Universal Catalytic Converter 2.25 CA 1996-1999 Audi A4 Base 1998-1998 Audi A4 Avant $477.00 |
 IN STOCK - DROPSHIPS 441354MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 441354 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 constructi... MagnaFlow Universal Catalytic Converter 2.00 Midbed O2 Rear CA 2000-2001 Audi A4 Base $586.00 |
 IN STOCK - DROPSHIPS 441355MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 441355 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 constructi... MagnaFlow Universal Catalytic Converter 2.25 Midbed O2 Rear CA 2000-2001 Audi A4 Base $586.00 |
 IN STOCK - DROPSHIPS 444204MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 444204 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 constructi... MagnaFlow Univ Catalytic Conv Chrysler/Ford/Mercedes-Benz/Saab/Toyota/Volkswagen *CALIFORNIA OBDII* 2000-2001 Audi A4 Base $466.00 |
 IN STOCK - DROPSHIPS 444205MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 444205 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 constructi... MagnaFlow Univ Catalytic Conv Chrysler/Ford/Mercedes-Benz/Saab/Toyota/Volkswagen *CALIFORNIA OBDII* 2000-2001 Audi A4 Base $412.00 |
 IN STOCK - DROPSHIPS 448304Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 448304. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single las... MagnaFlow 2.00 CA Universal Converter 1996-1999 Audi A4 Base 1998-1998 Audi A4 Avant $782.00 |
 IN STOCK - DROPSHIPS 448305Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 448305. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single las... MagnaFlow Converter Universal CARB Compliant 2.25in Inlet 2.25in Outlet 16in Length 1997-2000 Audi A4 Base $782.00 |
 IN STOCK - DROPSHIPS 456204Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 456204. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single las... MagnaFlow Universal Catalytic Converter 2.00 inch Short CA 2006-2006 Audi A4 Cabriolet $930.00 |
 IN STOCK 51204MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51204 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 constructio... MagnaFlow Conv Univ 2in Inlet/Outlet Ctr/Ctr Round 9in Body L x 5.125in W x 13in Overall L 49 State 1996-1999 Audi A4 Base 1998-1998 Audi A4 Avant 2005-2008 Audi A4 Base 2007-2008 Audi A4 Cabriolet $211.00 |
 IN STOCK - DROPSHIPS 51234MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51234 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 constructio... MagnaFlow Univ Conv 2in In/Out Ctr/Ctr Round 9in Body L x 5.125in W x 13in Overall L Single O2 Port 1997-2005 Audi A4 Base 2003-2006 Audi A4 Cabriolet $214.00 |
 IN STOCK - DROPSHIPS 51235MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51235 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 constructio... MagnaFlow Universal Catalytic Converter 2.25 with single O2 OEM 1997-2005 Audi A4 Base 2003-2006 Audi A4 Cabriolet $214.00 |
 IN STOCK - DROPSHIPS 51304MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51304 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 constructio... MagnaFlow Univ Cat Conv 2in Inlet/Outlet Ctr/Ctr Round 11in Body L x 5.125in W x 15in Overall L 2000-2001 Audi A4 Base $220.00 |
 IN STOCK 51355MagnaFlow 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 constructio... MagnaFlow Conv Univ 2.25in Inlet/Outlet Center/Center Round 11in Body L x 5.125in W x 15in Overall L 2002-2004 Audi A4 Base 2003-2004 Audi A4 Cabriolet $220.00 |
 IN STOCK - DROPSHIPS 51654Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51654. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single lase... MagnaFlow Universal Catalytic Converter 5.0 C/C 2.0 Spun OEM 2000-2001 Audi A4 Base $306.00 |
 IN STOCK - DROPSHIPS 5411306Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 5411306. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single la... MagnaFlow Universal Catalytic Converter 2.50/2.50 Straight 2005-2005 Audi A4 Base / Cabriolet $782.00 |
 IN STOCK - DROPSHIPS 5421206Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 5421206. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single la... MagnaFlow Universal Catalytic Converter 2.5 CA 2005-2005 Audi A4 Base / Cabriolet $367.00 |
 OUT OF STOCK 5461334Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 5461334. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single la... MagnaFlow California Grade Universal Catalytic Converter - 2in ID / 2in OD / 11.375in L 2006-2008 Audi A4 Base $1,236.00 |
 IN STOCK - DROPSHIPS 5461335Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 5461335. The Universal design allows the part to fit a wide array of vehicles, and the stainless steel construction of this catalytic converter is highly resistant to corrosion. The single la... MagnaFlow Universal Catalytic Converter 2.25 W-O2 CA 2006-2008 Audi A4 Base $1,452.00 |
 IN STOCK - LOW 99204HMMagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99204HM 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 constructi... MagnaFlow Conv Univ 2.00inch 1996-1999 Audi A4 Base 1998-1998 Audi A4 Avant 2005-2008 Audi A4 Base 2007-2008 Audi A4 Cabriolet $194.00 |
 IN STOCK - DROPSHIPS 99234HMMagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99234HM 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 constructi... MagnaFlow Universal Catalytic Converter 2.00inch w/ single O2 1997-2005 Audi A4 Base 2003-2006 Audi A4 Cabriolet $198.00 |
 IN STOCK - DROPSHIPS 99235HMMagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99235HM 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 constructi... MagnaFlow Universal Catalytic Converter 2.25inch w/ single O2 1997-2005 Audi A4 Base 2003-2006 Audi A4 Cabriolet $198.00 |
 IN STOCK 99355HMMagnaFlow HM Grade Federal/EPA Compliant Universal Catalytic Converter 99355HM 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 constructi... MagnaFlow Conv Univ 2.25inch Honda 2002-2004 Audi A4 Base 2003-2004 Audi A4 Cabriolet $204.00 |