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Old 03-02-2013, 04:52 PM   #1
CameronMac
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Join Date: Jan 2011
Chapter/Region: E. Canada
Location: Fredericton NB
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2001 Impreza Ej22
Silver

Default Is this important? It just fell off.

The other day while playing in the snow, I started to hear a terrible rattle. Pulled over to inspect and found the heat shield that sits above my midpipe was hanging by my O2 sensor wire. I cut it off and am now wondering if it needs to be replaced. Am I now a rolling fire Hazzard or can I rest easy without it?

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Old 03-02-2013, 05:08 PM   #2
Charlie-III
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While it's cold out, I wouldn't worry too much. If it were me, I WOULD reinstall it though when the weather turns or if you have a garage to work in.
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Old 03-02-2013, 09:15 PM   #3
GrundleJuice
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If that is a cat shield it protects the unibody and passenger compartment from heat and insulated the cat to improve its catalyzing performance. Both are only good things.
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Old 03-08-2013, 02:18 PM   #4
08 OutbackSport
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All heat shields are a pain especially on subarus when the rattle all the time. Use some heat wrap if you're worried.
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Old 03-09-2013, 10:14 AM   #5
Storm
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Ditch it and forget it.


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Old 03-09-2013, 11:04 AM   #6
AliBenn
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^^^^I agree.
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Old 03-12-2013, 01:26 PM   #7
KelConquer
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I haven't run any shields on my exhaust for the past year and have had 0 problems.
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Old 03-12-2013, 03:47 PM   #8
NIN8185
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The only thing mechanics say is that if you don't have a heat shield on cat's then don't park in tall grass as the heat from the cat could cause a fire. Besides that you do not need them and they are very annoying when they get loose. Heat wrap will cause your exhaust to rust super-fast because it traps in all the salt and corrodes your car all year long instead of just the winter months
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Old 03-14-2013, 04:57 PM   #9
motohippy
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I just cranked hose clamps around mine and they haven't rattled since...



But mine hadn't fallen off, either
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Old 03-14-2013, 05:16 PM   #10
PjkFisher
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Heat shields are a non-issue. I ran slammed with them removed on my old car and never had an issue. I always had to park on the grass (sometimes dry) at my parent's house too. Unless you are in some seriously dry brush, you won't have a problem. And as stated earlier, if you are worried about heat in the cabin, just wrap the cat in heat wrap.
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Old 03-14-2013, 09:25 PM   #11
Storm
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I always get a chuckle when people (supposedly intelligent) honestly warn about parking in tall grass with no heat shields. I laugh because the shields are ABOVE the cat......nothing between the cat and the grass straight from the factory.....


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