lb7 45% injectors 64mm lds super core turbo 150hp tune Published 2 years ago • 21K plays • Length 0:18 Download video MP4 Download video MP3 Similar videos 14:56 i made this duramax sound insane! *the final test* 15:36 why the lly is the best duramax! (most hated duramax?) explained! 6:48 how to make a lb7 01-04 duramax turbo louder