Having a proper air intake system can make a noticeable improvement in throttle response and fuel efficiency. Treat you and your truck to a proper intake system with the S&B Cold Intake with the 8-Layered oiled filter! Featuring a 53% improved airflow over its stock counterpart, the S&B intake system is designed to bring out a new level of performance by way of its secondary inlet for an second channel of inlet airflow. This is reinforced with its durable one piece housing that protects and deflects the filter from finer particulate debris and engine heat, ensuring that colder/denser air makes its way to the engine. This system is topped off with a signature design clear polycarbonate lid and a rubber trim for a perfect seal. With an average install time of just around 1-hour, you can be off towards your next destination in no time. Improved performance is at your fingertips with the S&B Cold Air Intake w/ Oiled Filter for your 2007-2010 GM 6.6L Duramax trucks!