Injen 13 Infiniti FX37 3.7L V6 Twin Polished Short Ram Intake w/MR Tech 2018-nissan-altima-esi5602822 4 Liter RL4R01A

4 Liter RL4R01A

and uses the factory engine cover as it's top cover

final tightening with the larger crescent wrench is recommended for more tightening torque

Dual Straight pipes

Maximize the handling and performance of your Nissan with our Power Steering Bolt-On Kit

Injen 13 Infiniti FX37 3.7L V6 Twin Polished Short Ram Intake w/MR Tech 2018-nissan-altima-esi5602822 4 Liter RL4R01AIs your engine choking for air and in need of some additional horsepower? If so, Injen has exciting news for you! The SP series of cold air intakes from Injen Technology will allow your engine to breathe deeper and enhance the performance that you've been craving. The SP series of cold air intakes is Injen's flagship system in their lines of traditional aluminum cold air intake systems. Injen Technology is the world's first tuned air intake system and