Review on 🔧 Black Nylon Stainless Steel Braided Fuel Injection Line Fitting Kit - EVIL ENERGY 8AN PTFE E85 Hose, 16FT Length, 0.394inch Hose ID by Oliver Waiker

Your braided rubber cords are fine. The outer braid is very loose making fitting the fittings very difficult, but with patience it is possible. Your teflon hose is of very poor quality. Same issues as standard rubber hose but added inferior plastic. At any bend greater than 45 degrees, it will begin to collapse on its own. Straight runs should be fine. I saved this last minute backup as needed, but for my main build I went with a much higher quality product from FinishlineFactory.