This may be the wrong forum and if it is, mods please place it in the proper one but I have seen some folks on here swap their TB with the Pathfinder ones. What purpose does it serve and what enhancements can one expect with the swap? Any info is greatly appreciated.

 

It will allow less resistance to flow for engines that can take advantage of it (i.e. boosted, or high revving NA). It probably does not help lightly modded Maximas except for an increase in throttle response.