Holley Stuff

Plan on a turbo or be prepared for the proven loss of a good 40whp/40wftlb between 3500-5500.
That's how much the intake alone cost its owner on a stock 6.1L

nc_oc=AQkq1-hvQ2x82GwAbx7sC62jGzwLtHdqjvELrd7jO3uGzF0_BzCTbJiuQUyWMlYqVSY&_nc_ht=scontent-atl3-1.jpg
nc_oc=AQmeiiAeZcNCDiQKRLo1g7ytAOqA0SqxVb5MVuapYdee2VLbrPbmXip4HQ7Dbew_6BM&_nc_ht=scontent-atl3-1.jpg