We stock 90° and 45° Silicone Elbows. They can be used as a coolant hose, and also as a charge air connector. For heavy-duty pressure connections in hostile engine environments. Resists hardening, cracking, cold leaks, aging, and many chemicals. Ideal for extreme temperature and various pressure ranges where high-performance levels are required. For the connection between the turbocharger and the engine. Resists chemicals, steam, ozone, coolants, and aging conditions normally found in the engine environments.