Keep the check engine light off with the MagnaFlow California Grade CARB 5461526 direct mount catalytic converter. With features like free-flowing elbow tubes and highly corrosion-resistant stainless steel construction, install this body converter with ease. spun yourself using the proper tools, with 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 sure your new part will fit and perform like the original equipment. By replicating the OE spun body design, the unique laser fusion welding greatly reduces the possibility of a leak, and our compact, low-mass design also allows for greater thermal efficiency. Designed to fit the 2004-2005 Volkswagen Jetta, 2004-2005 Volkswagen Beetle, and more, this direct mount catalytic converter is also interchangeable with OE 1J0 254 509 AX and 1J0 254 508 GX. Avoid potential exhaust leaks by using the included gaskets to get a good seal. This replacement part is designed to meet or exceed the requirements of the California Air Resource Board and has undergone additional testing to comply with CARB guidelines to allow legal use in California and CARB restricted states, for vehicles listed .