MagnaFlow 4451640 MagnaFlow California Grade CARB Compliant Direct Fit MagnaFlow California Grade CARB Compliant Direct Fit Catalytic MagnaFlow California Grade CARB Compliant Manifold Catalytic Converter Magnaflow 5582578 Chevrolet Avalanche, Silverado 1500, Suburban 1500 MagnaFlow 5451448 MagnaFlow California Grade CARB Compliant Direct Fit Catalytic Converter w Manifold For Chevy Colorado GMC Canyon 2.9L 2007 2012. Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct Fit Catalytic Converter 5582608. 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 2015 2017 Chevrolet Colorado and 2015 2017 GMC Canyon. 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.