Treat your Evolution to the ultimate in induction performance with a Weapon-R performance intake manifold. Each Weapon R intake manifold is hand made to ensure top of the line quality and weigh in at only 6 pounds. Manufactured from billet Al6061 aluminum, the Weapon-R intake manifold features CNC designed velocity stacks for maximum intake airstream flow and will yield gains of up to 50 horsepower at the wheels. This manifold is designed to work with all factory sensors and is quality tested for defects before shipment.