Need a replacement catalytic converter for your 2011 Saab 9-3X? MagnaFlow offers high-quality catalytic converters engineered for 2011 Saab 9-3X sub-models and engine sizes. We combine efficient design and state-of-the-art manufacturing to meet or exceed required emissions standards. Select your 2011 Saab 9-3X requirements and state vehicle registration to buy the best 9-3X catalytic converter online that fits your '11 9-3X and meets your state’s emissions compliance.