02 03 04 05 06 Nissan Altima 2.5 L4 Cold Air Intake Red (Included Air Filter) #Cai-ns003r For 2002-2006 Nissan Altima with 2.5L 4-cyl Engine (Base/S/SL)(Fits Automatic & Manual Transmission) The air intake kit can help your engine to draw more cold air resulting in better throttle response This air intake kit will increase 7-10% of Horsepower and 5-8% of Torque Easy to install and easy to fit with simple tools No additional parts will be needed for installation after you purchase this kit