They are all over ebay. When I need them I go there, you can generally find very good deals on new couplings with clamps. You can buy new lengths of hose too if that is what you need. Mine are 3.5", and I was buying couplings with t-bolt clamps for $15 ea. Worth a look to see if you can find what you need.
Blue is certainly a popular colour for engine dress up kits. This owner has got blue silicone leads, blue cable ties and blue cable wrap to hide those unsightly wires. It all adds up to a very tidy engine bay and looks stunning.
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