05 06 07 Chevy Cobalt SS 2.0L L4 SuperCharged GREEN Piping Cold Air Intake System Kit with Red Filter 2005-2007 Chevrolet Cobalt SS with 2.0L Supercharged Engine Fits Manual Transmission Only This Cold air intake kit will increase 7-10% of Horsepower and 5-8% of Torque It's the ultimate performance Cold Air intake Kit with higher explosive horsepower output Easy to install and easy to fit with simple tools (A General Installation instruction is included)