2001-2004 Chevrolet / GMC Stock Turbo Inlet Horn Raw Same Day Shipping

The 103-HSP or better known as the HSP Stock Turbo Inlet Horn for the 2001-2004 Duramax Equipped Chevrolet and GMC Trucks is one of those parts that for the LB7 you should not forget. The HSP Stock Turbo Inlet Horn is leaps and bounds better than the factory. Why would you need an HSP Stock Turbo Inlet Horn for the 2001-2004 Trucks? The stock turbo inlet horn on the LB7 trucks is not great by any means. Now there are a few reasons why HSP Diesel thinks this and many others. let's start with the performance