Exhaust› Catalytic Converters

Magnaflow

MagnaFlow 2016-2019 Cadillac CT6 OEM Grade Federal / EPA Compliant Direct-Fit Catalytic Converter

$965.00

SKU: M001 21-915

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Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Part #: 21-915

Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 21-915. With features including free-flowing mandrel-bent tubing and highly corrosion resistant stainless steel construction, easily install this spun body 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 spun body 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 specifically for the 2016-2019 Cadillac CT6 and interchanges with OE parts 12673972 and 12668678. Avoid potential exhaust leaks by using the included gaskets to get a proper seal. 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.

Features:

  • Your trusted source for EPA-compliant catalytic converters, providing assurance of genuine compliance while delivering quality that will last
  • Mandrel bent tubing retains OEM-like design and geometry, ensuring smooth exhaust flow for peak fuel economy and engine operation
  • 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

Magnaflow OEM Grade Direct-Fit Catalytic Converter

MIA's Description

The Cadillac CT6 Catalytic Converter - Magnaflow - Direct Fit - '16-'19 is an expertly crafted component designed for a seamless fit into your 2016-2019 Cadillac CT6. Offering a perfect replacement for OE parts 12673972 and 12668678, this catalytic converter ensures compatibility and quality performance. This magnaflow catalytic converter offers numerous benefits including robust durability, performance longevity, and environmental compliance. Constructed with free-flowing mandrel-bent tubing and corrosion-resistant stainless steel, its design ensures smooth exhaust flow, fostering enhanced fuel efficiency and engine performance. The advanced 3D scanning systems ensure precision in fit and function, while the single laser fusion weld and compact design reduce leak risks and improve thermal efficiency. Its Federal/EPA compliance signifies adherence to legal emission standards, making it a reliable choice for maintaining your vehicle's compliance. Features: - Mandrel-bent tubing for optimized exhaust flow - High-strength 16-gauge 409 stainless steel construction - Included gaskets and hardware for leak-free installation - Complies with EPA emissions standards This Cadillac CT6 Catalytic Converter not only enhances the vehicle's performance but also ensures adherence to emissions regulations, making it indispensable for any Cadillac CT6 owner. If you have any queries or need professional assistance, don't hesitate to contact us at 512-982-9393 for Austin, Texas, or 562-981-6800 for Los Angeles, California. We offer installation and customization services at both locations. For those considering multiple purchases, reach out to us for possible shipping discounts. Rest assured, our premises offer installation services at both locations, ensuring your vehicle receives the care it deserves. CA Residents: WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

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Specifications

BrandMagnaflow
Part NumberM001 21-915

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Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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