Injen Technology , Performance Air Intake . System For NISSAN RATROL ( Y61 VTC 4800L ) 2001-2017 Report any defective or missing ports to authorized injen dealer you purchased this pr om. Before Installing any par please read the instructions thoroughly, you have any questions regarding instolation, please contact your Injen Technology dealer. Installation DOES require some mechanical skills. A qualified mechanic olways recommended A Limited uletime Wamonty to e original purchaser against defect in material and workmanship on allinjen intake ystems exciuding element and or simited the repair o of the part only at inien discretion. The womanty does not cover incidental consequential damages, nor cover the cost of instalation or removal ot the dofective part or placement. Proof of purchase .