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wcc wcc is offline
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Do I need the Heat Sheild?

I'm putting on a GHL muffler today and I was wondering if I needed to put back on the that heat sheid or not? It's the sheild between the muffler and the bumper.
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Bill
Old 09-07-2007, 02:12 PM
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Bill, is this heatshield above the muffler or to the rear of the muffler? Can you post a picture of it?
Thanks
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Old 09-07-2007, 06:41 PM
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Yes, install the heat sheild behind the muffler. You will cook your bumper when you hit boost. I have actually seen bumperetts melt!
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Old 09-07-2007, 07:58 PM
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Big yes here, mine was off and faded my bumper paint . looks pretty trippy though mannnnn.
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Old 09-07-2007, 08:13 PM
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I'd say YES, it is needed.

However, you can remove it and perforate the rear valance at the turbo level for cooling.
Old 09-08-2007, 05:29 PM
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no way im ripping my muffler off and throwing a zork on ,damn i cant wait!
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1980 930 Turbo
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Old 09-08-2007, 05:31 PM
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Thanks everyone. I drove it last night and didn't melt anything, but after all the posts I put it back on today. It only took about 15min to install so it wasn't a big deal.
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Old 09-08-2007, 05:57 PM
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i ran mine for a while and it started to warp my center reflector
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Old 09-08-2007, 06:00 PM
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WCC,

I have mine off and the lower valance right now and was wondering the same thing. I drove the car to the Ventura show yesterday and back about 200 miles. I will check my rear bumper. BTW was your lower valance on? I bet it would be OK if the lower valance is off...maybe...Anyone know?

Bob
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Old 09-09-2007, 08:29 AM
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My valance was on. I drove mine without the sheild in stop and go and highway traffic and it didn't cause a problem. It was easy enough to put back on so I guess I'd rather be safe then sorry.
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Old 09-09-2007, 09:34 AM
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I took mine off when I was swapping exhausts and found no issues until I went to the track. After a real hot session I came in and there was a bit of melted bumperette hanging from the bumper.
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Rob Montgomery
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Old 09-09-2007, 03:56 PM
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My White Bumper has discolored, & my drivers side bumperette has a slight melt down on it's lower. Would be interested in seeing some of the fabricated shields...
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Old 09-09-2007, 05:16 PM
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