Is your engine gasping for air and longing for extra horsepower? Injen has great news! The SP series of cold air intakes from Injen Technology lets your engine breathe better and boosts performance. It's Injen's top - of - the - line system in traditional aluminum cold air intake systems. Injen Technology is the world's first tuned air intake system and holds 4 patents on the intake tuning process, a feat no other manufacturer can match. The SP series features many of Injen's patented tuning processes like MegaRam (MR) Technology (Patents 7,359,795 and 7,669,571) and Air Fusion (Patents 7,757,548 and 7,721,699), keeping it at the forefront of the performance aftermarket. The intake's 6061 - T6 aluminum tube offers a smooth path for efficient airflow. Our engineers designed it for high - level safe power and great looks that'll impress every time you open the hood. Along with more power, the Injen team maintained a safe Air - fuel (A/F) ratio across the power band. This SP intake comes with a fully serviceable Injen SuperNano - Web dry air filter. It has more surface area for better airflow and unbeatable filtration. The Injen SP intake gives you power you can hear and feel, with an aggressive and throaty tone unmatched in the aftermarket. You can personalize it as Injen offers multiple finishes. And it comes with an unbeatable Injen Technology limited Lifetime Warranty! This part fits 2004 - 2006 Nissan Altima Base, S, SE, 2005 - 2006 SE - R, and 2004 - 2006 SL models.









Using the Injen SP cold air intake is easy. First, make sure your engine is cool. Then, carefully remove your old air intake following the vehicle's service manual. Install the new Injen intake in its place, ensuring all connections are tight. You'll notice an immediate difference in performance. As for maintenance, regularly check the Injen SuperNano - Web dry air filter. If it looks dirty, remove it and gently clean it with a dry cloth. This will keep the airflow efficient. Also, every few months, check all the clamps and connections to make sure they haven't come loose. When driving, avoid deep water as it can damage the intake. If you do get the intake wet, let it dry completely before starting the engine again. Enjoy the enhanced power and sound of your Injen intake!