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Author Topic: silicone couplers on exhaust  (Read 6761 times)

arsenio

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silicone couplers on exhaust
« on: March 07, 2010, 10:44:00 PM »

Well? I got a deal on an Apexi N1 muffler and resonator, so I'm just gunna ditch the stock exhause with a cut out idea.

I was curious if you all think using silicone couplers, about 5 feet down stream of the turbo would be ok. I might just do the two 45 degree bends that I need, in aluminum with 3 silicone couplers holding it all together.
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turbob16hatch

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Re: silicone couplers on exhaust
« Reply #1 on: March 07, 2010, 10:55:56 PM »

NO, this will not work. The exhaust is up to 1700+ degree's and rotories (i'm assuming here) run hotter egt's from my experience. Silicon is good for something like 500* or so maybe less.

It would cost less also to have an exhaust shop weld it up then using silicon couplers.

Btw, you have the worst ideas EVER.
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onlyflash944

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Re: silicone couplers on exhaust
« Reply #2 on: March 07, 2010, 11:27:05 PM »

haven't you ever burnt yourself on a tailpipe before?  like 5 min after teh car cut off? 


of course it isn't going to work
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arsenio

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Re: silicone couplers on exhaust
« Reply #3 on: March 07, 2010, 11:29:22 PM »

Yeah, but I have used rvt  for exhauste gaskets befor
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onlyflash944

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Re: silicone couplers on exhaust
« Reply #4 on: March 07, 2010, 11:31:19 PM »

Yeah, but I have used rvt  for exhauste gaskets befor
Btw, you have the worst ideas EVER.
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chris

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Re: silicone couplers on exhaust
« Reply #5 on: March 08, 2010, 01:00:44 AM »

just do it and report back
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glustic

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Re: silicone couplers on exhaust
« Reply #6 on: March 08, 2010, 02:14:15 AM »

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Re: silicone couplers on exhaust
« Reply #9 on: March 08, 2010, 05:09:48 AM »

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chris

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Re: silicone couplers on exhaust
« Reply #10 on: March 08, 2010, 07:45:48 AM »

yes
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Foowee

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Re: silicone couplers on exhaust
« Reply #11 on: March 08, 2010, 11:25:04 AM »

If you don't have a welder that'll do aluminium....

http://www.summitracing.com/parts/WLK-33226/?rtype=10



« Last Edit: March 08, 2010, 11:26:42 AM by Foowee »
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HiProfile

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Re: silicone couplers on exhaust
« Reply #12 on: March 12, 2010, 03:28:47 AM »

Wrap it in aluminized tape several times, then slap the coupler on. I recall rmcdaniels testing his Black Satin header spray and the turbo header's surface went from 650F to 400F. It mike get a little crispy at some point, but it will still last a while.

If they can use rubber that degrades above 220F on a 2" hanger right off the cat, a 500F coupler should take your load like N/A Mike's wife does from her clients. With style, cheaply.
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ifly87

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Re: silicone couplers on exhaust
« Reply #13 on: March 12, 2010, 05:00:30 AM »

I was kinda wondering about this, A silicone coupler from my turbo outlet to my charge pipe is within a 1/4 inch of my exhaust mani, will that bitch melt?
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turbob16hatch

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Re: silicone couplers on exhaust
« Reply #14 on: March 12, 2010, 12:56:30 PM »

I was kinda wondering about this, A silicone coupler from my turbo outlet to my charge pipe is within a 1/4 inch of my exhaust mani, will that bitch melt?

Depends if you drive your car like a h-t fanboi, or really race it. but i would wrap it in some type of thermal barrier.
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Teg2boo

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Re: silicone couplers on exhaust
« Reply #15 on: March 12, 2010, 01:01:49 PM »

I was kinda wondering about this, A silicone coupler from my turbo outlet to my charge pipe is within a 1/4 inch of my exhaust mani, will that bitch melt?

Depends if you drive your car like a h-t fanboi, or really race it. but i would wrap it in some type of thermal barrier.

Mine is at about 3" of my manifold and hold the temperature well. This for about 1 year of abuse. 1/4 inch is fucking near tho!

Next time I drive my car I'll try to put a couple directly on the manifold to see what happen.
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Phate

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Re: silicone couplers on exhaust
« Reply #16 on: March 13, 2010, 02:18:43 AM »

Next time I drive my car I'll try to put a couple directly on the manifold to see what happen.

Probably melt slowly, and smell bad.  Have something handy to scrape the shit off.
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Teg2boo

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Re: silicone couplers on exhaust
« Reply #17 on: March 16, 2010, 11:57:59 PM »

Shit I forgot about this post, I'll try it tomorrow. lol
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ctr99ek

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Re: silicone couplers on exhaust
« Reply #18 on: March 17, 2010, 05:00:19 AM »

the coupler will melt, scorching metal> flimsy silicone
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JACER63

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Re: silicone couplers on exhaust
« Reply #19 on: March 17, 2010, 09:36:44 PM »

Eggylshatch

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Re: silicone couplers on exhaust
« Reply #20 on: March 18, 2010, 11:07:17 AM »

I was kinda wondering about this, A silicone coupler from my turbo outlet to my charge pipe is within a 1/4 inch of my exhaust mani, will that bitch melt?

it might not melt but it will get really soft and probably not seal very well
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arsenio

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Re: silicone couplers on exhaust
« Reply #21 on: March 19, 2010, 11:35:22 PM »

I can't decide between doing this or the 5" exhaust. Doing this might be easier..


Eggylshatch. I like you sig. quote.
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Eggylshatch

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Re: silicone couplers on exhaust
« Reply #22 on: March 20, 2010, 12:24:00 AM »

I can't decide between doing this or the 5" exhaust. Doing this might be easier..


Eggylshatch. I like you sig. quote.

haha.  thanks.  I'm still trying to figure out what exactly it means myself, but it makes me chuckle every time I read it
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ifly87

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Re: silicone couplers on exhaust
« Reply #23 on: March 20, 2010, 03:08:21 AM »

I was kinda wondering about this, A silicone coupler from my turbo outlet to my charge pipe is within a 1/4 inch of my exhaust mani, will that bitch melt?

Depends if you drive your car like a h-t fanboi, or really race it. but i would wrap it in some type of thermal barrier.

I rape the shit out of the thing every running moment of its life. I took it for some rippers today and it seems to be doing fine. Now only if I could figure out why the the boost is surgine I could maybe make some power.
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widebody93

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Re: silicone couplers on exhaust
« Reply #24 on: March 22, 2010, 02:28:21 AM »

Mac Dre FT 2pac
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