The SP series is a cold air intake system for the enthusiast craving mid-range power. The intake tube is strategically placed behind the front bumper to acquire colder, denser air. Every SP system is certified or pending by the California Air Resource Board and backed by Injen Technology's limited lifetime warranty,

Injen's 350Z air intake system is the "First and only" True Cold Air Intake. Guaranteed to produce Massive Power Gains of up to 16 Horse Power and 16 Torque. With these unmatched power gains, Nissan owners will be burning up the track and flooding the chat rooms with their new track times. This is the first of a series of kits to be released using both MegaRam Technology and the all new Air Fusion.

Note: Air Fusion (Patent Pending) - Engineered to stabilize short term and long term fuel trim levels.