Weapon R Secret Weapon Short Ram Air Intake 2001-2004 Lexus GS300 / 2001-05 IS300 Base / 2002-05 IS300 SportcrossThe Secret Weapon Intake was designed, to increase air intake volume to the 2001 2004 Lexus GS300 2001 05 IS300 Base 2002 05 IS300 Sportcross. The concept is to create two different air velocity profiles, one traveling at higher speeds than the other. This technology increases air volume and speed to the engine, which naturally feeds the engine 3x more air than the conventional air intake system. The intake pipe is bent out of high quality 6061