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TDI Power Enhancements Discussions about increasing the power of your TDI engine. i.e. chips, injectors, powerboxes, clutches, etc. Handling, suspensions, wheels, type discussion should be put into the "Upgrades (non TDI Engine related)" forum. Non TDI vehicle related postings will be moved or removed. Please note the Performance Disclaimer.

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Old May 18th, 2018, 06:11   #16
vtpsd
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Quote:
Originally Posted by bennyboy26j View Post
I feel that it would definitely be necessary to paint the inside and outside of the tubing if it was mild steel.
If your CCV ties into the intake, it doesnt rust in there.
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Old May 18th, 2018, 09:36   #17
Layerz
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Out of interest any reason not to braze alu pipes?
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Old May 18th, 2018, 11:26   #18
bennyboy26j
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Quote:
Originally Posted by vtpsd View Post
If your CCV ties into the intake, it doesnt rust in there.
True that.....
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Old May 18th, 2018, 16:50   #19
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Out of interest any reason not to braze alu pipes?
I bet it'd be just fine, could even use a muffler pipe expander to get a little bit of a lap joint for more strength
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Old May 21st, 2018, 09:49   #20
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Mine is stainless... I had Matt Whitbread fabricate mine. It's been in use for almost 60K miles with no issues.
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Old May 21st, 2018, 10:02   #21
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Matt is a friend of mine, I am a far cry from his skills when it comes to welding anything. I will probably be painting mine regardless
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Old September 7th, 2018, 09:39   #22
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I've seen both on a lot of turbo cars. Most of the time it's aluminum piping(some welded and some with silicone couplers). Stainless(or some other metals) are used for those very pretty lobster-tail pipes with the super tight radius curves, because they show the welds with the blue and gold colors on them more. Some of it is aesthetics...well, let's be honest here, MOST of that is aesthetics or to show off some welding skills. My personal piping will be aluminum(for the wagon build). It's less weight(saving like 2lbs here HAH!), aluminum doesn't have the rust issues that steel tends to have(i'm in the northeast), but I'll paint it with the stuff vtpsd suggested. A big factor of it for me is that I already have a bunch of aluminum piping already. From what i've been reading, aluminum has better heat dissipation properties compared to steel. I am also not running enough PSI through it, my pipes won't split, so I don't need stainless there.
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