Has anyone fitted one of these ?
Anyone using these manifolds ????????
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I'm using similar stainless manifold. You will get 20 like this one for the price of 1 wagner
! Everything depends of steel quality some of those cheap manifolds are made from crap, but some of them are fine and with some customisation they could be perfect. 50/50 chance
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Linear thermal expansion coefficients of common materials, including metals, plastics, and composites.
To follow up a little on the comments made in your other thread.
The reason the cuts are needed are with a 900 degree rise in temperature the length of the manifold will increase by:
Coeff of expansion of 316 is about 19 x 10^-6 m/m K
(900 x 19 x 0.000001 x 0.5) =0.0085m
So in all likelyhood it's going to stretch by 10mm along it's length.
HTHShaneComment
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i thought of buying one so that my local fabrication can copy the bends to make a proper one ( he makes chopper bikes for a living so knows what he s on about)Comment
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I know within the past year I remember discussion over these SS exhaust manifolds on ebay for 150$ but I couldn't seem to locate the thread in the forums. I've heard they're poor quality and they crack, but for 150 bucks I feel like I can use it for the hardware and the flanges at the least to...
Doesn't sound great unless you want to re manufacture it.Current-2004 Impreza PPP wagon
Sold-92 3B coupe-RS2+, 996s, konis, rear torsen, forged rods........
Sold ABY-stockComment
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Landfill made in China, no wonder the world is running out of stainless steel..Comment
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I am no guru on airflow / fluid dynamics, but the collector looks asolutely woeful. The thermal concerns are equally valid too.
If you want to 'test it' - have someone like JP (RWD19T) put it on his flowbench and compare how it performs vs S2 or RS2 or Wagner EMs...
Then you will have some data on what to expect from this shiny piece of metal.Paul Nugent
Webmaster http://S2central.net
Administrator http://S2forum.com
1994 S2 Coupe ABY - aka Project Lazarus
2001 A6 allroad 2.5TDi - family tank
2003 S4 Avant 4.2 V8 - daily burble
Purveyor of HomeFries and Exclusive agent for Samco hose kits (S2/RS2)
There are only 10 kinds of people that understand binary - those that do, and those that don't
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