Need a replacement catalytic converter for your 2001 Saturn SL? MagnaFlow offers high-quality catalytic converters engineered for 2001 Saturn SL sub-models and engine sizes. We combine efficient design and state-of-the-art manufacturing to meet or exceed required emissions standards. Select your 2001 Saturn SL requirements and state vehicle registration to buy the best SL catalytic converter online that fits your '01 SL and meets your state’s emissions compliance.