Flicker Fixer Mod
MODFixes most of the exterior flickering aka z fighting in the game, particularly in the Boston and Cambridge areas. (Modder's Resource.)
Use one of my Useful Combinations - Fallout4Custom.ini files to have controlled jet pack flight, no fusion core drain, no fall damage, strength (pick up cars) and more.
Use Fog Remover - Performance Enhancer II to remove interior fog, mist, steam, dust and airborne debris while giving you a boost in performance and FPS.