[jasongatz1]

When turning left,braking, and hitting bumps hear a knocking sound from underneath the middle of the two front seats? But, while looking underneath while brother was moving,it sounds like it's coming from the middle of the truck???????
05 Nissan Titan 5.6 2wd

 

[jasongatz1]

05 Nissan Titan 5.6 2wd

 

[KingJulianTheTitan]

have you checked the driveshaft carrier bearings/bushings??