2011 Cadillac CTS Catalytic Converters

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Keep Your 2011 Cadillac CTS in Top Shape with Quality Catalytic Converters

Whether you’re repairing or upgrading your Catalytic Converter, using high-quality parts is key to keeping your 2011 Cadillac CTS looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Catalytic Converter Gaskets and Catalytic Converters. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Catalytic Converters from Trusted Brands

Looking for a reliable Catalytic Converter? We’ve got you covered with options from brands you know and trust like Walker. For example, Walker Catalytic Converters start at just $7.69 with an average 4.2 star rating. With over 69 reviews and a solid 4.5 star average, you can shop with confidence knowing other Cadillac CTS owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2011 Cadillac CTS Catalytic Converter at Advance Auto Parts is around $513.84, with a range that starts at $7.69 and goes up to $1,118.00. With 19 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like "Walker Ultra EPA Direct Fit Catalytic Converter 2.24"" Outlet (OD), 16685", "Walker Ultra EPA Direct Fit Catalytic Converter 2.24"" Outlet (OD), 16684", and "Walker CalCat CARB Universal Catalytic Converter 2.25"" Inlet (ID) 2.25"" Outlet (ID), 84406" start at just $361.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Catalytic Converter, don’t forget to check out other key components like Exhaust Manifold and Headers and Exhaust System Kits. At Advance Auto Parts, we’re here to help you keep your 2011 Cadillac CTS in peak condition, inside and out.

Essential 2011 Cadillac CTS Catalytic Converters

MagnaFlow – MagnaFlow Hm Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 24931 (Part No.24931)

MagnaFlow Hm Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 24931

from

$587.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 24931. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This Direct-Fit Catalytic Converter is designed to fit the 2004-2009 Cadillac CTS 3.6L & 2005-2007 Cadillac CTS 2.8L. MagnaFlow 24931 includes (1) Donut Gasket, (1) Crush Ring Gasket. 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 Federal/EPA Emission systems.
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MagnaFlow – MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 456205 (Part No.456205)

MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 456205

from

$931.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 456205. 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 laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. 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.
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MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Manifold Catalytic Converter, 51547 (Part No.51547)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Manifold Catalytic Converter, 51547

from

$566.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Manifold Catalytic Converter 51547. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This Direct-Fit Manifold Catalytic Converter is designed to fit the 2010-2014 Cadillac CTS 3.0L & 2012-2019 Cadillac CTS 3.6L. MagnaFlow 51547 includes (2) Nuts, (2) Bolts, (2) Flat Washers, (1) Donut Gasket, (1) Flange Gasket and interchanges with OE parts 20943056, 22882837. 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.
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Walker – "Walker CalCat CARB Universal Catalytic Converter 2"" Inlet (ID) 2"" Outlet (ID), 82603" (Part No.82603)

"Walker CalCat CARB Universal Catalytic Converter 2"" Inlet (ID) 2"" Outlet (ID), 82603"

from

$788.99
Designed, tested and validated for assured compliance to meet CARB standards, Walker CalCat universal catalytic converters are available for OBDII (1996 and newer) and non-OBD (1995 and older) vehicles. Walker CalCat catalytic converters are thoroughly tested to ensure they meet CARB performance requirements.
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Walker – Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 24.000 IN, 14766 (Part No.14766)

Walker Ultra EPA Direct Fit Catalytic Converter Overall Length 24.000 IN, 14766

from

$799.99
Designed to comply with EPA standards while delivering premium performance with assured compliance, Walker Ultra direct-fit catalytic converters are available for import and domestic OBDII (1996 and newer) vehicles. Count on Walker Ultra converters for industry-leading fit and function.
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MagnaFlow – MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 51137 (Part No.51137)

MagnaFlow OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter, 51137

from

$561.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 51137. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This Direct-Fit Catalytic Converter is designed to fit the 2003-2004 Cadillac CTS 3.2L. MagnaFlow 51137 includes (2) Nuts, (2) Bolts, (4) Flat Washers, (1) Flange Gasket, (1) Crush Ring Gasket. 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.
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Walker – "Walker CalCat CARB Direct Fit Catalytic Converter 1.98"" Outlet (OD) Overall Length 18.570 IN, 84682" (Part No.84682)

"Walker CalCat CARB Direct Fit Catalytic Converter 1.98"" Outlet (OD) Overall Length 18.570 IN, 84682"

from

$838.99
Designed, tested and validated for assured compliance to meet CARB standards, Walker CalCat direct-fit catalytic converters are available for OBDII (1996 and newer) and non-OBD (1995 and older) vehicles and delivers a precise OE-style fit. Walker CalCat catalytic converters are thoroughly tested to ensure they meet CARB performance requirements.
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Walker – "Walker Ultra EPA Direct Fit Catalytic Converter 3.111"" Inlet (ID) 2.25"" Outlet (OD), 75511" (Part No.75511)

"Walker Ultra EPA Direct Fit Catalytic Converter 3.111"" Inlet (ID) 2.25"" Outlet (OD), 75511"

from

$401.99
Designed to comply with EPA standards while delivering premium performance with assured compliance, Walker Ultra direct-fit catalytic converters are available for import and domestic OBDII (1996 and newer) vehicles. Count on Walker Ultra converters for industry-leading fit and function.
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MagnaFlow – MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 551573 (Part No.551573)

MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 551573

from

$1087.00
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 551573. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This Direct-Fit Catalytic Converter is designed to fit the 2013-2015 Cadillac ATS 2.0L & 2014-2015 Cadillac CTS 2.0L. MagnaFlow 551573 includes (2) Bolts. 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.
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MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51204 (Part No.51204)

MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51204

from

$213.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51204. 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 laser fusion welds greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. 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 Federal/EPA Emission systems.
See More

Walker – "Walker Ultra EPA Direct Fit Catalytic Converter 2.24"" Outlet (OD), 16685" (Part No.16685)

"Walker Ultra EPA Direct Fit Catalytic Converter 2.24"" Outlet (OD), 16685"

from

$572.99
Designed to comply with EPA standards while delivering premium performance with assured compliance, Walker Ultra direct-fit catalytic converters are available for import and domestic OBDII (1996 and newer) vehicles. Count on Walker Ultra converters for industry-leading fit and function.
See More

MagnaFlow – MagnaFlow Hm Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 24930 (Part No.24930)

MagnaFlow Hm Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 24930

from

$595.99
Keep the check engine light off with MagnaFlow HM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 24930. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This Direct-Fit Catalytic Converter is designed to fit the 2004-2009 Cadillac CTS 3.6L & 2005-2007 Cadillac CTS 2.8L. MagnaFlow 24930 includes (1) Donut Gasket, (1) Crush Ring Gasket. 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 Federal/EPA Emission systems.
See More

Walker – Walker Ultra EPA Direct Fit Catalytic Converter, 52502 (Part No.52502)

Walker Ultra EPA Direct Fit Catalytic Converter, 52502

from

$1113.00
Designed to comply with EPA standards while delivering premium performance with assured compliance, Walker Ultra direct-fit catalytic converters are available for import and domestic OBDII (1996 and newer) vehicles. Count on Walker Ultra converters for industry-leading fit and function.
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MagnaFlow – MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 4561049 (Part No.4561049)

MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 4561049

from

$1751.00
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 4561049. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This Direct-Fit Catalytic Converter is designed to fit the 2004 Cadillac CTS 3.2L. MagnaFlow 4561049 includes (2) Nuts, (2) Bolts, (4) Flat Washers, (1) Flange Gasket, (1) Crush Ring Gasket. 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.
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Walker – Walker Exhaust Pipe Flange Gasket, 31534 (Part No.31534)

Walker Exhaust Pipe Flange Gasket, 31534

from

$7.69
Complete your exhaust repair with Walker gaskets and flanges. Built from quality materials for long lasting durability, they’re available in a range of styles and sizes. Each component is designed to work seamlessly with OE exhaust systems and Walker aftermarket replacement parts.
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Walker – Walker Exhaust Pipe Flange Gasket, 31357 (Part No.31357)

Walker Exhaust Pipe Flange Gasket, 31357

from

$19.79
Complete your exhaust repair with Walker gaskets and flanges. Built from quality materials for long lasting durability, they’re available in a range of styles and sizes. Each component is designed to work seamlessly with OE exhaust systems and Walker aftermarket replacement parts.
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Most Popular Catalytic Converter Gasket for 2011 Cadillac CTSs

Enhance your 2011 Cadillac CTS with this popular Catalytic Converter Gasket we have in stock, for $7.69.

Walker – Walker Exhaust Pipe Flange Gasket, 31534 (Part No.31534)

Walker Exhaust Pipe Flange Gasket, 31534

from

$7.69
Complete your exhaust repair with Walker gaskets and flanges. Built from quality materials for long lasting durability, they’re available in a range of styles and sizes. Each component is designed to work seamlessly with OE exhaust systems and Walker aftermarket replacement parts.
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Best-Selling 2011 Cadillac CTS Catalytic Converters

Upgrade your CTS with one of our 18 best-selling Catalytic Converters.

Walker – "Walker Ultra EPA Direct Fit Catalytic Converter 2.24"" Outlet (OD), 16685" (Part No.16685)

"Walker Ultra EPA Direct Fit Catalytic Converter 2.24"" Outlet (OD), 16685"

from

$572.99
Designed to comply with EPA standards while delivering premium performance with assured compliance, Walker Ultra direct-fit catalytic converters are available for import and domestic OBDII (1996 and newer) vehicles. Count on Walker Ultra converters for industry-leading fit and function.
See More

Walker – "Walker Ultra EPA Direct Fit Catalytic Converter 2.24"" Outlet (OD), 16684" (Part No.16684)

"Walker Ultra EPA Direct Fit Catalytic Converter 2.24"" Outlet (OD), 16684"

from

$581.99
Designed to comply with EPA standards while delivering premium performance with assured compliance, Walker Ultra direct-fit catalytic converters are available for import and domestic OBDII (1996 and newer) vehicles. Count on Walker Ultra converters for industry-leading fit and function.
See More

Walker – "Walker CalCat CARB Universal Catalytic Converter 2.25"" Inlet (ID) 2.25"" Outlet (ID), 84406" (Part No.84406)

"Walker CalCat CARB Universal Catalytic Converter 2.25"" Inlet (ID) 2.25"" Outlet (ID), 84406"

from

$361.99
Designed, tested and validated for assured compliance to meet CARB standards, Walker CalCat universal catalytic converters are available for OBDII (1996 and newer) and non-OBD (1995 and older) vehicles. Walker CalCat catalytic converters are thoroughly tested to ensure they meet CARB performance requirements.
See More

MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51206 (Part No.51206)

MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51206

from

$213.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51206. 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 laser fusion welds greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. 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 Federal/EPA Emission systems.
See More

MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51205 (Part No.51205)

MagnaFlow Oem Grade Federal / Epa Compliant Universal Catalytic Converter, 51205

from

$213.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Universal Catalytic Converter 51205. 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 laser fusion welds greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. 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 Federal/EPA Emission systems.
See More

MagnaFlow – MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 557428 (Part No.557428)

MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 557428

from

$1118.00
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 557428. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This Direct-Fit Catalytic Converter is designed to fit the 2010-2014 Cadillac CTS 3.0L. MagnaFlow 557428 includes (1) Torca Clamp. 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.
See More

MagnaFlow – MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 5421173 (Part No.5421173)

MagnaFlow California Grade Carb Compliant Direct-Fit Catalytic Converter, 5421173

from

$911.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 5421173. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This Direct-Fit Catalytic Converter is designed to fit the 2009-2015 Cadillac CTS 6.2L. 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.
See More

MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 49172 (Part No.49172)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 49172

from

$707.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49172. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This Direct-Fit Catalytic Converter is designed to fit the 2009-2015 Cadillac CTS 6.2L. 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.
See More

MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 51428 (Part No.51428)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 51428

from

$689.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 51428. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This Direct-Fit Catalytic Converter is designed to fit the 2010-2014 Cadillac CTS 3.0L. MagnaFlow 51428 includes (1) Torca Clamp. 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.
See More

MagnaFlow – MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 5411205 (Part No.5411205)

MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 5411205

from

$651.99
Keep the check engine light off with MagnaFlow California Grade CARB Compliant Universal Catalytic Converter 5411205. 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 laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. 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.
See More

Walker – "Walker CalCat CARB Universal Catalytic Converter 2.25"" Inlet (ID) 2.25"" Outlet (ID), 82815" (Part No.82815)

"Walker CalCat CARB Universal Catalytic Converter 2.25"" Inlet (ID) 2.25"" Outlet (ID), 82815"

from

$624.99
Designed, tested and validated for assured compliance to meet CARB standards, Walker CalCat universal catalytic converters are available for OBDII (1996 and newer) and non-OBD (1995 and older) vehicles. Walker CalCat catalytic converters are thoroughly tested to ensure they meet CARB performance requirements.
See More

MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Manifold Catalytic Converter, 51548 (Part No.51548)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Manifold Catalytic Converter, 51548

from

$583.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Manifold Catalytic Converter 51548. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This Direct-Fit Manifold Catalytic Converter is designed to fit the 2010-2014 Cadillac CTS 3.0L & 2012-2019 Cadillac CTS 3.6L. MagnaFlow 51548 includes (2) Nuts, (2) Bolts, (2) Flat Washers, (1) Donut Gasket, (1) Flange Gasket and interchanges with OE parts 20943055, 22882836. 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.
See More

MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Manifold Catalytic Converter, 51547 (Part No.51547)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Manifold Catalytic Converter, 51547

from

$566.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Manifold Catalytic Converter 51547. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. This Direct-Fit Manifold Catalytic Converter is designed to fit the 2010-2014 Cadillac CTS 3.0L & 2012-2019 Cadillac CTS 3.6L. MagnaFlow 51547 includes (2) Nuts, (2) Bolts, (2) Flat Washers, (1) Donut Gasket, (1) Flange Gasket and interchanges with OE parts 20943056, 22882837. 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.
See More

MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 49171 (Part No.49171)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 49171

from

$527.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49171. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. MagnaFlow 49171 includes (4) Bolts, (1) Flange Gasket. 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.
See More

MagnaFlow – MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 49170 (Part No.49170)

MagnaFlow Oem Grade Federal / Epa Compliant Direct-Fit Catalytic Converter, 49170

from

$519.99
Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49170. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this converter yourself using the proper tools, no cutting or welding required. MagnaFlow’s state-of-the-art metrology department uses the latest 3D scanning systems during research and development, so you can be confident that your new part will fit and function like the original equipment. By replicating the OE design, the single laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. MagnaFlow 49170 includes (4) Bolts, (1) Flange Gasket. 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.
See More

Walker – "Walker CalCat CARB Universal Catalytic Converter 2.25"" Inlet (ID) 2.25"" Outlet (ID) Overall Length 12.030 IN, 84615" (Part No.84615)

"Walker CalCat CARB Universal Catalytic Converter 2.25"" Inlet (ID) 2.25"" Outlet (ID) Overall Length 12.030 IN, 84615"

from

$396.99
Designed, tested and validated for assured compliance to meet CARB standards, Walker CalCat universal catalytic converters are available for OBDII (1996 and newer) and non-OBD (1995 and older) vehicles. Walker CalCat catalytic converters are thoroughly tested to ensure they meet CARB performance requirements.
See More

MagnaFlow – MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 5421206 (Part No.5421206)

MagnaFlow California Grade Carb Compliant Universal Catalytic Converter, 5421206

from

$367.99
Keep 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 laser fusion weld greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. 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.
See More

Walker – "Walker CalCat CARB Universal Catalytic Converter 2.25"" Inlet (ID) 2.25"" Outlet (ID), 84205" (Part No.84205)

"Walker CalCat CARB Universal Catalytic Converter 2.25"" Inlet (ID) 2.25"" Outlet (ID), 84205"

from

$229.99
Designed, tested and validated for assured compliance to meet CARB standards, Walker CalCat universal catalytic converters are available for OBDII (1996 and newer) and non-OBD (1995 and older) vehicles. Walker CalCat catalytic converters are thoroughly tested to ensure they meet CARB performance requirements.
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Top-Rated Catalytic Converter Brands For Your 2011 Cadillac CTS

When it comes to finding the perfect Catalytic Converter for your 2011 Cadillac CTS, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 2 trusted brands. We carry the most popular Catalytic Converter brands including Walker, and more, all known for their exceptional customer ratings (average brand rating of 4.2 stars) and competitive prices, as low as $7.69. Purchasing a Catalytic Converter from us here at Advance Auto Parts is a smart move for both you and your 2011 Cadillac CTS, providing peace of mind with parts that meet or exceed OEM standards.

Popular Walker 2011 Cadillac CTS Catalytic Converters

If you’re looking for a top-quality Catalytic Converter for your 2011 Cadillac CTS, Advance Auto Parts has exactly what you need with our selection of Walker Catalytic Converters. We have 1 Walker Catalytic Converters in stock for this fitment, all known for their durability and precision fit. With prices starting at just $7.69, you’ll find the perfect Catalytic Converter for your needs and budget. Walker Catalytic Converters for the 2011 Cadillac CTS come highly rated, with over 23 customer reviews and an impressive average rating of 4.2 stars. Choosing a Walker Catalytic Converter from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Walker Exhaust Pipe Flange Gasket, 31534
from $7.69
(23)
Walker Exhaust Pipe Flange Gasket, 31534
“Works great”

FAQs for 2011 Cadillac CTS Catalytic Converters

What are the best-selling Catalytic Converters for 2011 Cadillac CTSs?

Out of 19 Catalytic Converters that fit 2011 Cadillac CTSs, the following parts are the top sellers:

What’s the price range for 2011 Cadillac CTS Catalytic Converters?

The prices of Catalytic Converters for the 2011 Cadillac CTS range from $7.69 up to $1,118.00 for the most premium parts.

What is the average price of a Catalytic Converter for a 2011 Cadillac CTS?

The average price for Catalytic Converters for the 2011 Cadillac CTS is $513.84. Keep in mind the variety of part types within our Catalytic Converter category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Catalytic Converters for other Cadillac CTS model years?

Yes, we carry Catalytic Converters for 15 model years of Cadillac CTSs between 2003 and 2019. The following model years are the most popular for Catalytic Converter purchases: 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2012, and 2010.

Does Advance Auto Parts sell Catalytic Converters for any other 2011 Cadillac models?

Yes. We stock Catalytic Converters for 5 other popular 2011 Cadillac models. Some of the most popular are 2011 Escalade Catalytic Converters, 2011 Escalade ESV Catalytic Converters, 2011 Escalade EXT Catalytic Converters, 2011 DTS Catalytic Converters, and 2011 SRX Catalytic Converters.

What are the top-rated Catalytic Converters that fit the 2011 Cadillac CTS?

The one 2011 Cadillac CTS Catalytic Converter we have in stock is the Walker Exhaust Pipe Flange Gasket, 31534. It is rated 4.5 stars and costs $7.69.

What types of Catalytic Converters do you sell for my 2011 Cadillac CTS?

As of 8/2/26, these are some of the most in-demand types of Catalytic Converters for a 2011 Cadillac CTS:

Can I get help with 2011 Cadillac CTS Catalytic Converter orders?

Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Cadillac Catalytic Converters and more.

What is your return policy for Cadillac CTS Catalytic Converters?

Advance Auto Parts keeps returns simple. For new Cadillac CTS Catalytic Converters and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.