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Old 09-02-2013
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Anyone used silicone wet exhaust hose?

I recently replaced my exhaust mixing elbow (2QM15), and I'm having trouble fitting up the short length of 2 inch hose between the elbow and the waterlift muffler. Basically, because the run is so short (about 12 inches), the hardwall EPDM hose that I'm using is too stiff to force onto the fittings.

I'm thinking about trying some softwall hose instead, since the run is so short, and relatively straight. But I've been reading that silicone rubber lasts much longer, and is easier to remove from the connections when necessary (the rubber hose was welded with rust to the elbow that I removed). The silicone hose costs about twice as much, but with this short of a piece, the difference is manageable.

Has anyone had experience with silicon hose? How is its flexibility, compared with EPDM hose?
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Re: Anyone used silicone wet exhaust hose?

I've never used silicone hose but I've also heard good things about it.

I do know not to use hard wall hose if you can avoid it. The wire inside will rust and cause it to fail sooner than a similar soft wall hose. Sometimes you need to make a bend that would kink a soft wall hose, then you have to use hard wall, but if you can, always use soft wall hose.
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Re: Anyone used silicone wet exhaust hose?

When I replaced the original hose with blue silicone exhaust hose from the exhaust elbow to the muffler on my 2GM it was very easy to handle. As I recall, it was a bit pricey but very satisfactory.
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Old 09-07-2013
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Re: Anyone used silicone wet exhaust hose?

Update: softwall silicone hose is nice stuff, but kinks with the slightest bend. Won't work for my application, which requires a slight S shape. Ordered some corrugated wire rewound silicone hose. (This is getting expensive).


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Old 09-08-2013
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Re: Anyone used silicone wet exhaust hose?

Another update: hard wall silicone pipe isn't much more flexible than (new) hardwall rubber hose, but it slides over the fittings much easier.
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