A sports air filter ramps up performance, gives better airflow to the engine and a sportier sound to your engine. Regardless if you tune your car with any of our other products, it is a great enhancement to boost power. BSR’s sport air filter, Optiflow is specially developed to give optimal air flow, combined with a shielding system that deflects radiant heat from the engine, creates a patented system for engine ventilation. BSR unique sport air filter system Optiflow™ is developed and patented by BSR. Each Optiflow products are developed for each car model and engine option, and are fully customised to the unique engine bay. The system ensures cold, oxygen-rich air flows to the engine by shielding the engine's heat radiation and delivering air to the filter. Optiflow™ consists of a sport air filter and a shielding shield that gives quicker throttle response and a sporty intake sound.