Perrin Silicone Turbo Inlet Hose 2.4"Improve airflow, increase horsepower, and add style to your engine bay with the PERRIN Turbo Inlet Hose. NO TUNING REQUIRED Why You Want It Silicone technology allows us to design a turbo inlet hose that is better in all aspects than the OEM part and increases your engines horsepower and performance. The PERRIN Turbo Inlet Hose is perfectly smooth on the inside and has a significantly larger internal diameter than the OEM part. The increased air flow