Keep the check engine light off with MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 21-177. 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. Designed to fit the 2011-2015 Buick Regal, 2010-2016 Buick LaCrosse, and more, this direct-fit catalytic converter also interchanges with OE parts 22935121 and 22935125, among others. 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.
- 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
- OE-sized barbed exhaust hangers made from corrosion-resistant 410 stainless steel, designed to reduce noise and vibration
- 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
- Expertly Crafted To Replicate Oem-Like Flow Dynamics/Maintaining Factory Performance And Fuel Efficiency
- Torca Accuseal Exhaust Clamps Provide A Full 360-Degree Equally Distributed Clamping Force
- Simplifies Installation With Essential Gaskets And Hardware Being Included In The Box
- OE-Sized Barbed Exhaust Hangers Made From Corrosion-Resistant 410 Stainless Steel
- Your Trusted Source For EPA-Compliant Catalytic Converters
- Mandrel Bent Tubing Retains Oem-Like Design And Geometry
- Durable 308 stainless steel MIG welds
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2012-2016 | Buick | LaCrosse | Base |
| 2012 | Buick | LaCrosse | Convenience |
| 2010-2011 | Buick | LaCrosse | CX |
| 2011 | Buick | LaCrosse | CXL |
| 2012-2016 | Buick | LaCrosse | Leather |
| 2012 | Buick | LaCrosse | Premium |
| 2012-2015 | Buick | Regal | Base |
| 2011 | Buick | Regal | CXL |
| 2012-2015 | Buick | Regal | Premium |
| 2014 | Chevrolet | Impala | Eco |
| 2013-2014 | Chevrolet | Malibu | Eco |