After making filters for over 36 years, we make just about every shape and size you can dream up for your engine. S&B's custom filters offer a significant improvement in airflow while still stopping the dirt.
In the early years, S&B specialized in building custom universal filters for race teams and engine builders. S&B uses an 8 ply filter for these applications to help protect the engine, while still providing the performance racers demand. S&B has one of the most extensive offerings of universal filters with over 4,000 part numbers.
