Mercedes S420 cat converters from Auto Accessories Garage open up your Mercedes's acceleration and horsepower. Car cat converters survive against the heaviest-duty racing thanks to their offroad-ready construction. S420 cat converters include every piece needed for a hassle-free installation process. The most rugged Mercedes S420 high flow cats at the best prices are all here at Auto Accessories Garage.
Our Mercedes-Benz S420 Catalytic Converters have
reviews, averaging 4.8
out of 5 stars.