Three Way Catalytic Converter for Audi Q7 3 0 Exhaust System.jpg Magnaflow Mustang Direct Fit Catalytic Converter; California Grade CARB Magnaflow 5451400 Audi Q7 3L Drivers side Direct Fit Pair of Catalytic Converter Fits 2008 2009 Audi Q7 3.6L V6 VEVOR US MagnaFlow 51387 MagnaFlow Direct Fit Catalytic Converters Summit Racing MagnaFlow Exhaust Products OEM Grade Direct Fit Catalytic Converter (49678). Keep the check engine light off with MagnaFlow California Grade CARB Compliant Direct Fit Catalytic Converter 5481947. 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 to fit the 2007 2008 Audi Q7 and 2007 Volkswagen Touareg. 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.