MagnaFlow OEM Grade Federal/EPA Compliant Direct-Fit Catalytic Converter 49191 helps keep the check engine light off. 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 to fit the 2002-2005 Chevrolet Trailblazer, 2002-2005 GMC Envoy, and additional vehicles. 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.
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2004-2005 | Buick | Rainier | CXL |
| 2004-2005 | Buick | Rainier | CXL Plus |
| 2002-2005 | Chevrolet | Trailblazer | LS |
| 2002-2005 | Chevrolet | Trailblazer | LT |
| 2002-2003 | Chevrolet | Trailblazer | LTZ |
| 2002-2004 | Chevrolet | Trailblazer | North Face |
| 2002-2005 | GMC | Envoy | SLE |
| 2002-2005 | GMC | Envoy | SLT |
| 2004 | Isuzu | Ascender | Limited |
| 2004-2005 | Isuzu | Ascender | LS |
| 2004-2005 | Isuzu | Ascender | S |
| 2002-2004 | Oldsmobile | Bravada | Base |
| 2005 | Saab | 9-7x | Linear |
Most items ship directly from authorized distributors. Lead times vary by brand and availability.
Returns are permitted within 30 days of receiving your order under specific conditions. For more information, view our Return & Refund Policy
Professional installation available at our Metro Atlanta facility. Contact us to schedule your build.

