Shop Fragola's Female Pipe Tee – 917 – Aluminum A-N Adapters. High quality female pipe tee manufactured by Fragola Performance Systems". When doing any plumbing job, be sure to route the hoses far away from heat sources like the exhaust system. Secure the lines at various points to prevent them from moving. Use a few drops of motor oil on the threads and the seat area of the hose end. The seal is made on the 37 degree flare. Be careful not to over tighten the hose ends so as not to damage the flare.