New over-sized filter element, largest in its class, protects engine and outflows competitionBeats stock and the competitionCooler tempsEnclosed housing keeps out hot, power-robbing engine airMore airflow increases the air-fuel ratioAllows the engine to run leanerReduces soot outputDecreases the frequency between regensHelps the engine run coolerExtends service life and requires fewer cleaningsPatented slip-fit protects from engine movementWindow on housing to check filter condition5-year Limited WarrantyBeats stock and the competitionLess restrictive than stockOiled Air Filter ElementEmissions Compliant: D-161-118US Patent #10,138,851 B2