For Proton Gen-2, Exora CPS, Waja CPS, Persona CPS and Satria Neo Air Filter PW811941, this is an essential engine air intake component designed to ensure clean airflow into the engine while filtering out dust, dirt and fine particles. It helps protect the engine from internal wear and supports smooth, stable performance for daily driving and long-term usage. This air filter is built with high-quality filtration media that provides strong dust trapping ability while still allowing proper airflow for Proton CPS engine systems. The structure is designed for tight sealing inside the airbox to prevent unfiltered air from entering the engine. It supports balanced air intake, ensuring proper combustion and efficient engine operation under different driving conditions. Specification includes part number PW811941, compatible with Proton Gen-2, Exora CPS, Waja CPS, Persona CPS and Satria Neo models. It follows OEM-standard sizing for direct replacement without modification. Suitable for Proton CPS engine platform commonly used in compact cars and MPVs, designed for everyday commuting and practical driving needs. Using a clean air filter helps improve fuel efficiency, maintain engine power and protect internal components such as pistons, cylinders and valves from dust damage. It also supports smoother acceleration and better throttle response. Regular replacement is important because clogged filters can reduce airflow, causing weak performance and higher fuel consumption over time, especially in urban driving conditions. Return and warranty are subject to proper installation and normal usage conditions. Damage caused by incorrect fitting, water entry or overdue replacement will not be covered. Always inspect the air filter during every service interval and replace when dirty to maintain optimal engine health. For workshop service, we recommend replacing the air filter during every scheduled maintenance to keep your Proton CPS engine running in top condition. Book your service with us today for proper inspection, correct installation and reliable maintenance support.