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At 19 pounds bare, the new Rat Buster is four pounds lighter than our Vanke-modified Street Hemi intake. The Vanke modification is named after Super Stock drag racing legend Arlen "Akron" Vanke and involves milling away the dividing walls and cylindrical passages that separate the left and right banks on a stock Hemi. This vastly increases the volume of fuel available to each piston during the intake stroke. The huge open plenum chambers of the Rat Buster do the same job, but with even greater efficiency.