The air filter intake hose for the Citroën DS is a critical component that ensures efficient airflow to the engine's air system. This flexible, durable, and weather-resistant part connects the air filter to the engine intake. It helps maintain an optimal air-fuel ratio, which is essential for efficient combustion and consistent engine performance. Specifically designed for the iconic Citroën DS, known for its advanced mechanics and design, a properly functioning intake hose contributes to protecting the engine from harmful particles and ensures a longer engine lifespan.