04 05 06 Scion Xa Xb Bb 1.5 L4 Cold Air Intake Red (Included Air Filter) #Cai-sc001r For 2004-2006 Scion xA with 1.5L 4-cyl Engine (Fits Automatic & Manual Transmission) For 2004-2006 Scion xB with 1.5L 4-cyl Engine (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