48mm Air Filter for Dirt Bikes Engineered for peak performance, this 48mm air filter is crafted for most Chinese 50-200cc ATVs and dirt bikes, as well as 125cc go-karts. Ensure compatibility by checking the provided images and specifications. 48mm Inlet Diameter: Precisely sized to fit a wide range of compatible engines, ensuring a secure and efficient seal. Up to 25% Increased Airflow: Designed to deliver significantly more air than standard filters, directly translating to maximum engine power. Race-Tested Reliability: Proven on the track, this filter has undergone rigorous testing to guarantee its performance and durability under demanding conditions. High-Quality Construction: Built with premium materials to ensure consistent filtration and long-lasting service life. Broad Compatibility Range: An ideal upgrade for most Chinese 50-200cc ATVs, dirt bikes, and 125cc go-karts. Compared to stock filters, this high-performance model offers a substantial advantage, with race-proven designs increasing airflow by up to 25%. This enhancement is crucial for riders looking to push their machines to the limit, providing a noticeable boost in power and responsiveness that standard filters simply cannot match. Key Technical Advantages: Technology and Performance This air filter leverages advanced design principles to optimize your engine's breathing. Its superior airflow capabilities, a direct result of race-tested engineering, maximize power output and engine efficiency, making it an essential component for any serious rider seeking peak performance and dependable reliability from their dirt bike or ATV.