RATING COLD AIR INTAKE NSB75-5054 '08-'10 F-SERIES 6.4L PSD
These kit are an update of an older version and the flow ratings are not published yet.
But the new kits are equal or better then the previous model which had a 23.4% improved
flow compared to stock.
FOR S&B 75-5105
2008-’10 6.4L F250 – F-350
ignition switched off and the parking brake set, disconnect the negative battery
cable on both batteries.