Keeps damaging particles from entering the engine and causing increased engine wear, Improves engine response time Protects the operational performance of your engine, Reduces ecological footprint through fuel economy, Boosts fuel economy by 6% to 11%, 98% Efficiency Against Rocks And Other Debris on the Road, Part Reference Numbers : 97135 XA11802 CA12668 AFJ086 TA21535 A21535 WA11107, Kit Includes: 2x Air Filter, Kit Variations: K57-104230 K57-104233 K57-104236 K57-104242 K57-104245 K57-104248 K57-104251 K57-104254 K57-104257 K57-104260 KFL-103574 KFL-103580 KFL-103586 KFL-103592 KFL-103601 KFL-103606, Part Reference Numbers : 97135 XA11802 CA12668 AFJ086 TA21535 A21535 WA11107