I fitted some nice bright blue silicone hoses to my wife's Mazda camper van last year. In cold weather last winter they tended to leak a little at the ends, which could only be solved by using constant pressure hose clamps with them (purchased from an Australian company, Norma). Lots of others who bought the silicone hoses had the same leakage problem, and my understanding is that hose clamp type and quality are critical for silicone hoses. I would recommend selling constant pressure hose clamps with the hoses. They look great.
David
'71 144DL B20A M40; '88 240GL sedan B200E AW70
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