How is it that flex pipes dont leak?

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Oct 7, 2003 | 02:12 PM

mmboost

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From: Longing for my ol' white '02 WRX :(

Car Info: 2016 Acura RDX ... meh. Um, nice subwoofer?

How is it that flex pipes dont leak?

I've always wondered this... how do they make those flex portions in exhaust pips so that they don't leak through the bendy mesh? How are they made?

thanx,

jason

Oct 7, 2003 | 02:29 PM

dropkick_muppet

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From: your friendly neighborhood hairpin

Car Info: '03 PSM Sedan

the mesh covers a section of jointed piping it doesn't actually come in direct contact with exhaust gases.

Oct 7, 2003 | 02:58 PM

mmboost

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From: Longing for my ol' white '02 WRX :(

Car Info: 2016 Acura RDX ... meh. Um, nice subwoofer?

Hmmm... I'd love to find a picture that shows a crossection.

jason

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