2000 Mazda Miata MagnaFlow Stainless Steel Cat Back Exhaust System Gas Direct Fit Catalytic Converter by Magnaflow CA & NY Moss Miata MagnaFlow Street Series Cat Back Exhaust System Mazda i 2007 2009 MagnaFlow 12866 MX 5 Miata Forum. Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct Fit Catalytic Converter 5571437. 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 2006 2015 Mazda MX 5 Miata and interchanges with OE parts LFYH 20 55XC and LFZD 20 55XB, among others. Avoid potential exhaust leaks by using the included gaskets to get a proper seal. 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.