Homemade "Ram-Air" airbox...

  1. "Ram-Air" cut out shown in the bottom half of the air-box. The ground is visible through the cut out. 
 
Chevrolet 2004 CCSB Z-71 5.3L * G80 w/ 3.73s...
  2. View from under the truck showing the "Ram-Air" cut out in the bottom half of the air-box. The K&N air filter is visible. 
 
Chevrolet 2004 CCSB Z-71...
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