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Exhaust splatter?

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Old Nov 19, 2012 | 05:14 PM
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Exhaust splatter?

Why would my exaust be spitting out little droplets of stuff? I assume its condensation but what causes that?
 
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Old Nov 19, 2012 | 05:34 PM
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Warm air through a cold pipe. It's like a cold beer on a warm day except inside out.
 
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Old Nov 19, 2012 | 05:56 PM
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Originally Posted by HIO Silver
Warm air through a cold pipe. It's like a cold beer on a warm day except inside out.
Huh thats what i figured. Is it bad? Cuz it seems to spit a decent amount...
 
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Old Nov 19, 2012 | 07:12 PM
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dont think it really causes any problems. most cars and truck mufflers have weep holes built into them because of condensation. if u ever look at a vehicle sitting at a stop light, u'll see droplets of water comming from its muffler when its cold out
 
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Old Nov 19, 2012 | 07:20 PM
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Originally Posted by SAS1977
dont think it really causes any problems. most cars and truck mufflers have weep holes built into them because of condensation. if u ever look at a vehicle sitting at a stop light, u'll see droplets of water comming from its muffler when its cold out
Huh yea cuz i have new borla exhaust and there isnt any drain holes in it. Dont wana destroy anything.
 
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Old Nov 19, 2012 | 07:26 PM
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if water builds up it will rust through and make its own weep holes. :-)
 
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Old Nov 19, 2012 | 07:33 PM
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Originally Posted by hasteranger
if water builds up it will rust through and make its own weep holes. :-)
Exactly what i dont want haha. And its all stainless. So where would i put the hole and how big of one?
 
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Old Nov 19, 2012 | 07:36 PM
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stainless won't rust so I wouldn't worry about it. The heat from the exhaust will tend to evaporate any water that gets built up. Its mostly a cold start thing anyway.
 
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Old Nov 19, 2012 | 07:42 PM
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Originally Posted by hasteranger
stainless won't rust so I wouldn't worry about it. The heat from the exhaust will tend to evaporate any water that gets built up. Its mostly a cold start thing anyway.

Alright sweet! Thanks
 
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Old Nov 19, 2012 | 08:35 PM
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Frequent short run times tends to rust out exhaust systems because there's not enough heat or duration to completely evaporate the internal condensation.

Stainless? You're good to go.
 
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Old Nov 19, 2012 | 09:25 PM
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Depends what grade stainless the system is. A 300 series stainless will not rust at all unless it is of inferior quality. The 400 series will rust and rust through if given enough time. Most OEM use a 400 series stainless exhaust and if you are in the rust belt you can be looking at a new system in less than 10 years depending on how you drive.

Some of the newer cars will hold a lot of water and literally flow out of tailpipe when they take off. I wouldn't worry about it.
 
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Old Nov 19, 2012 | 10:00 PM
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Thats not true... I can't tell you that I've EVER seen an oem stainless exhaust. the vast majority (99.9%) of all oem exhaust are simply aluminized mild steel. Aluminized steel is cheap but does rust eventually.
 
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