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MagnaFlow 10-11 Cadillac CTS 3.0L Direct Fit Converter

SKU: MAG551548

Catalytic Converter with Integrated Exhaust Manifold

MAG Converter Direct Fit...

MagnaFlow 10-11 Cadillac CTS 3.0L Direct Fit Converter

SKU: MAG551548

Catalytic Converter with Integrated Exhaust Manifold

MAG Converter Direct Fit...

A$1,804.77
Available from MFR. This item is available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical order processing and release times for this part. This item is not held in our own warehouse, and actual dispatch timing may vary depending on manufacturer workload and logistics at the time of ordering.

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Description

MagnaFlow 10-11 Cadillac CTS 3.0L Direct Fit Converter

Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Manifold Catalytic Converter 551548. 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 & 2012-2015 Cadillac CTS 3.6L. MagnaFlow 551548 includes (1) Flange Gasket, (1) Donut Gasket, (2) Washers, (1) Bolt, (2) Nuts. 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.

Additional Information

Magnaflow California Manifold Catalytic Converter

Part Type

Catalytic Converter with Integrated Exhaust Manifold

Product Overview

Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct-Fit Catalytic Converter 551548. DIY installation is easy with the proper tools (no cutting or welding required). With features including mandrel-bent tubing to eliminate flow restrictions and stainless steel construction to resist corrosion, you can have confidence in the quality of this catalytic converter. Using state-of-the-art 3D scanning systems in the design process, the MagnaFlow metrology department ensures this new part to fit and function like the original equipment. This direct-fit catalytic converter is designed specifically for the 2010-2011 Cadillac CTS. The included gaskets & hardware reduce the possibility of a leaking seal while avoiding the need to reuse corroded factory parts for installation. 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.

Additional Application Notes
• Overall L-22 in.; Stainless Steel;CARB E.O. D-193-133

These additional application notes are supplied by the manufacturer and collated from multiple year ranges. Not all of these notes may apply to every year or every variant. Please contact a StreetFX agent for clarification if required.


Data: v2 - Desc: v4.2 - Upd: 2026-11-08 05:13:57

Data: v4.2 - Upd: 2026-11-09 04:37:05

Features

  • Durable 308 stainless steel MIG welds
  • Expertly Crafted To Replicate OEM Like Flow Dynamics; Maintaining Factory Performance And Fuel Efficiency
  • Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency
  • High Strength 16 Gauge 409 Stainless Steel Tubing For Exceptional Corrosion Resistance And Maximum Service Life
  • Mandrel bent tubing retains OEM-like design and geometry, ensuring smooth exhaust flow for peak fuel economy and engine operation
  • Simplifies Installation w/Essential Gaskets And Hardware Being Included In The Box
  • Simplifies installation with essential gaskets and hardware being included in the box
  • Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
  • Your Trusted Source For CARB-Compliant Catalytic Converters; Providing Assurance Of Genuine Compliance

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Product Details

Air Tube Adaptable:No
Body Material:Stainless Steel
CARB Executive Order Number:D-193-133
Clamps Included:No
Converter Quantity:1
Core Substrate Material:Ceramic
Finish:Stainless Steel
Grade Type:Regular
Heat Shield Attached:No
Inlet Attachment:Bolt-On
Inlet Gasket Included:Yes
Inlet Mounting Hardware Included:No
Inlet Type:Bolt-On
Material:Stainless Steel
Outlet Gasket Included:Yes
Outlet Mounting Hardware Included:Yes
Outlet Type:Bolt-On
Overall Length:22.000 in.
Part Number:mag551548
Sensor Port Count:1
Substrate Material:Ceramic
Tube Material:Stainless Steel
Type:Direct-Fit

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Magnaflow, MagnaFlow Exhaust Products, MAGNAFLOW PERF EXHAUST, Magnaflow Performance
StreetFX SKU mag551548
SFX Item ID 4290253
Accounting SKU mag-551548
Manufacturer SKU 551548
Manufacturer UPC 888563200064
Alternative References 551548, MFL551548

Manufacturer Attributes
Sensor Port Count 1
Overall Length 22
Substrate Material Ceramic
Clamps Included No
Heat Shield Attached No
Inlet Mounting Hardware Included No
Grade Type Regular
Inlet Gasket Included Yes
Outlet Gasket Included Yes
Outlet Mounting Hardware Included Yes
Body Material Stainless Steel
CARB Executive Order Number D-193-133
Finish Stainless Steel
Inlet Type Bolt-On
Outlet Type Bolt-On
Tube Material Stainless Steel
Product Class Catalytic Converter with Integrated Exhaust Manifold
Product Outline Your trusted source for CARB-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
High strength 16 gauge 409 stainless steel tubing for exceptional corrosion resistance and maximum service life
Expertly crafted to replicate OEM-like flow dynamics, maintaining factory performance and fuel efficiency
Simplifies installation with essential gaskets and hardware being included in the box
Durable 308 stainless steel MIG welds
Vehicle Brief Manifold Converter

Compatibility

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