01 02 03 04 05 Honda Civic Ex/lx/dx Cold Air Intake Red Manual Only HD-9R(Included Air Filter) 2001 2002 2003 2004 2005 Honda Civic EX/LX/DX (Manual Only) It's the ultimate performance Cold Air intake Kit 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