Cadillac XTS Catalytic Converter - Magnaflow - California Grade CARB Compliant Direct-Fit - `16-`19
Cadillac XTS Catalytic Converter - Magnaflow - California Grade CARB Compliant Direct-Fit - `16-`19
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Cadillac XTS Catalytic Converter - MagnaFlow - California Grade CARB Compliant Direct-Fit (2016–2019) for 3.6L models, delivering OE-level fit with CARB-legal performance.
MagnaFlow 557417 features free-flowing mandrel-bent tubing and 16‑ga 409 stainless steel for long service life while maintaining factory drivability and emissions. 3D scanning ensures an OE-matched layout, and a single laser‑fusion weld helps limit leak points. Its compact, low-mass body supports thermal efficiency. Direct-fit flanges and OE-style hangers streamline install—no cutting or welding—with gaskets and hardware in the box.
Features
- CARB compliant; legal in all 50 states
- Mandrel-bent tubing for smooth flow
- 16‑ga 409 stainless; 308 stainless welds
- 410 stainless OE-style barbed hangers
- Includes gaskets and hardware
Questions on fit or install? Call 512-982-9393 (Austin, TX) or 562-981-6800 (Los Angeles, CA). We offer professional installation and customization at our Austin, Texas and Los Angeles, California locations.
Buying multiple items? Contact us for shipping discounts. We install on premises at both locations.
CA Residents: 
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov
Need Assistance?
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Call us at 512-982-9393 (Austin, TX) or
562-981-6800 (Signal Hill, CA)
and get assistance from one of our sales team members!
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