HSP Stock Turbo Inlet Horn - Raw 103-HSP-RAW

Eliminate the restrictive factory turbo inlet on your GM 6.6L Duramax LB7 with the HSP LB7 Stock Turbo Inlet Horn - Raw 103-HSP-RAW. Designed to bolt onto your stock tubrocharger, this 3.5" inlet horn maximizes airflow to your turbocharger. With many reporting a decrease in EGT's and increased power gains, this simple upgrade does not require any other modifications is a must-have on the LB7 model trucks. This Inlet Horn comes in a raw finish you you can customize it to match the style of your engine bay.

Raw Finish

3.5" Turbo Inlet Horn 

For Stock Turbochargers

Increased Spool-Up & Throttle Response