Material: The air intake hose is made of rubber. It's durable and long-lasting。 This hose features a four-layer reinforced silicone construction for enhanced durability and strength. The multi-layer silicone ensures the hose can withstand high pressure and high temperatures。 55111394AC 55111395AC Upgrade Radiator Water Hose For Wrangler 2012-2019 Features: This hose enhances filter protection improves throttle response and restores engine performance. It offers stable performance and high reliability. Function: Direct replacement no modification required. Enjoy a hassle-free installation process saving you time and effort., Manufacturer: Coonig