Need a replacement catalytic converter for your 1975 Mercedes-Benz 450SLC? MagnaFlow offers high-quality catalytic converters engineered for 1975 Mercedes-Benz 450SLC sub-models and engine sizes. We combine efficient design and state-of-the-art manufacturing to meet or exceed required emissions standards. Select your 1975 Mercedes-Benz 450SLC requirements and state vehicle registration to buy the best 450SLC catalytic converter online that fits your '75 450SLC and meets your state’s emissions compliance.