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Old 09-30-2014, 12:08 PM   #1
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Default High heat downpipe insulation

I was looking at insulation options to wrap my future downpipe I will build. I came across this >
http://www.mcmaster.com/#high-temper...lation/=ty5ti4

The "ultra high silica sleeving" rated at 2300 degrees

THinking about slipping 2 feet of this "ultra high heat" insulation before welding the v-band.
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Old 09-30-2014, 12:28 PM   #2
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I had good results with DEI titanium.

No idea about those you linked.
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Old 09-30-2014, 01:17 PM   #3
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DEI Titanium is the stuff.
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Old 09-30-2014, 02:37 PM   #4
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Quote:
Originally Posted by 18psi View Post
I had good results with DEI titanium.
Quote:
Originally Posted by Leafy View Post
DEI Titanium is the stuff.
I'll add a third to this. I've got my RB header and midpipe wrapped all the way back to the resonator with DEI Ti wrap and it functions and looks just as good as the day I installed it nearly a year ago.

If you do end up trying the stuff from McMaster-Carr, please let us know how it turns out.
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Old 09-30-2014, 02:47 PM   #5
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In the past I have heard warning about using wrap as it can trap water and cause corrosion. What materials would you feel comfortable wrapping with the DEI titanium? Aluminum? Stainless? Mild steel?
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Old 09-30-2014, 02:54 PM   #6
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My stuff is all stainless, no problems that I've noticed. Mine was wrapped before I got it, so I wrapped it, then I unwrapped it to add a wideband bung, and wrapped it again. No cracks, no corrosion.

I'll probably wrap my ARTech downpipe (also stainless) and not worry about it either.
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Old 09-30-2014, 03:14 PM   #7
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If you're wrapping it to reduce heat, then there's probably not an issue with moisture remaining. Its probably an issue for cars that aren't driven frequently or far.

I was looking at this stuff - wrapped and strapped with stainless zip ties. Much easier to install when the down pipe is in the car too.

Amazon.com: Heatshield Products 170102 Heatshield Products Armor 1/4" Thick x 1' x 2' Exhaust Pipe Heat Shield: Automotive Amazon.com: Heatshield Products 170102 Heatshield Products Armor 1/4" Thick x 1' x 2' Exhaust Pipe Heat Shield: Automotive

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