Injen 04-06 Altima 2.5L 4 Cyl. (Automatic Only) Black Cold Air Intake Drivetrain>Axles Simply replace the lower rear

Simply replace the lower rear control arm to knuckle bolt with SPC's bolt and get +-

then install the correct sleeve

All of this combined generates gains of 13

So after hours of designing and dyno testing

Injen 04-06 Altima 2.5L 4 Cyl. (Automatic Only) Black Cold Air Intake Drivetrain>Axles Simply replace the lower rearIs 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