John,
I beleive most are 90 molded bends, I know mine is. During a recent discussion with some other local members it appears that if any rubber hose is going to fail and let go, it's that 90 bend as it has the most stresses between the engine to frame.
When I replaced my lower tubes I reinforced all rubber hoses with steel braiding and double clamping.
The local recommendation was to have only straight rubber connections. One guy had made the front carrier for the tubes removable. This allowed him to renove the long tubes with ease and weld a 90 SS bend to the pipe at te rear, with a small straight rubber connection.
Julian
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