I took a look underneath and didn't see anything. I don't think it's the brakes since they have a lot of life left and it only made the noise that one time. I'm thinking a pebble was stuck to the barrel of a wheel, then as I slowed down it shot out of my wheel and rolled toward the front of the z making the hissing sound. I think the berks cbe is fine, but their Hfc is something I wouldn't trust using.
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2010 k23
H&R sport springs / Spc rear camber arms / SSR SP1 / Berk cbe / Varis cf lip / Nismo S-Tune side skirts
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