1997 1998 19999 2000 2001 2002 2003 2004 Jeep Grand Cherokee All Models with 4.0L L6 Engine Green Piping Short Ram Air intake System Kit with blue Filter 1997-2004 Jeep Grand Cherokee All Models with 4.0L L6 Engine Fits Automatic & Manual Transmission This air intake kit will increase 6-10% of Horsepower and 5-8% of Torque It's the ultimate performance Air intake Kit with higher explosive horsepower output Easy to install and easy to fit with simple tools (A General Installation instruction is included)