K & N Tauschluftfilter Car: INFINITI QX50 (J50) Engine: 3.7i Year: 5/13- Power: 320 PS improved performance: Street legal: Eintragungsfrei/street legal Part. no.: 33-2399 Info: K & N is the inventor and manufacturer of the ORIGINAL and still the best wash-out and re-High-Flow Air Filter. Each sport air filter has been (performance-enhancing) develops and lifetime durability...