HSP Stock Turbo Inlet Horn.
Massive 3.5’’ replacement unit that will allow your LB7 Duramax, turbo charger to consume as much air as possible.
Fits 2001, 2002, 2003, 2004 Chevrolet / GMC 6.6L Duramax LB7
When ordering a custom color, we will need the specific Prismatic Color Code: Find codes here
