2005-2019 NISSAN FRONTIER 4.0L V6. CARB E.O. # D-550-25 FOR 05-17 FRONTIER. 2005-2012 NISSAN PATHFINDER 4.0L V6. 2005-2015 NISSAN XTERRA 4.0L V6. COLD AIR INTAKE SYSTEM. A large, clear sight window is used for a hassle-free filter inspection and an aggressive style.