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E46 M3 (2001-2006) Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006.


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Old Sun, Aug-13-2017, 04:20:21 AM   #21
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Default Re: Another "Which header is this?" Welds much better than Supersprint

if you care about anything under the hood you should be getting headers ceramic coated with the proper stuff which makes the weld color a moot point.
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Old Sun, Aug-13-2017, 02:22:11 PM   #22
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Default Re: Another "Which header is this?" Welds much better than Supersprint

OP at best has no idea what he is talking about, and at worst seems to be shilling for some ebay junk.
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Old Sun, Aug-13-2017, 02:38:00 PM   #23
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Default Re: Another "Which header is this?" Welds much better than Supersprint

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Originally Posted by Joefresh View Post
You are right to a point. Without nerding out about stainless tig welding the blues and golds you get are more from heat VS. travel speed. Not necassrily an inferior weld.

Once the stainless turns dull, greyish, or even black and burnt you have then changed the metals composition.

To me the welds posted look like they were deoxidized to remove any coloration.

They also look like they were welded on the cold side so possibly poor fusion. If they did not back purge the inside they could also be total junk.

Sincerely

-An aerospace tig welder.
^Dis. An absence of color means someone was covering up the actual oxidation
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Old Sun, Aug-13-2017, 05:32:08 PM   #24
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Default Re: Another "Which header is this?" Welds much better than Supersprint

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Originally Posted by Joefresh View Post
You are right to a point. Without nerding out about stainless tig welding the blues and golds you get are more from heat VS. travel speed. Not necassrily an inferior weld.

Once the stainless turns dull, greyish, or even black and burnt you have then changed the metals composition.

To me the welds posted look like they were deoxidized to remove any coloration.

They also look like they were welded on the cold side so possibly poor fusion. If they did not back purge the inside they could also be total junk.

Sincerely

-An aerospace tig welder.
Yep
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Old Sun, Aug-13-2017, 06:11:22 PM   #25
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Default Re: Another "Which header is this?" Welds much better than Supersprint

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Originally Posted by TheSt|G View Post
OP at best has no idea what he is talking about, and at worst seems to be shilling for some ebay junk.
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Originally Posted by Drewster View Post
^Dis. An absence of color means someone was covering up the actual oxidation
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Originally Posted by Obioban View Post
Yep
You all skipped post #16 my friends so it definitely seems like you DO want to get rid of the oxidation. People don't do it just for aesthetisc but to minimize the chances of corrosion.

No shilling here at all. I am just curious about new exhaust component offerings that pop up on the market.
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Old Sun, Aug-13-2017, 06:49:38 PM   #26
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Default Re: Another "Which header is this?" Welds much better than Supersprint

Here is another header option that I have not seen posted. A $3,000 stepped header made by 2MAutowerks. A bit too expensive for my blood.
http://www.2mautowerks.com/store/p1/...ce_Header.html

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Old Sun, Aug-13-2017, 07:44:22 PM   #27
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Default Re: Another "Which header is this?" Welds much better than Supersprint

those look to be well made and the fact they state they are back purged is nice. It is very important to shield the weld pool from both sides to protect the stainless from oxidation, porosity and other forms of contamination.

properly tig welding stainless steel is not a cheap process.
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Old Mon, Aug-14-2017, 05:59:19 PM   #28
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Default Re: Another "Which header is this?" Welds much better than Supersprint

Dismissing the click-bait title and the clear misinformation that it suggests, if you are interested in stepped headers, why not just go with SS?

Not all stepped headers are equal (for example: CPI stepped header's gutted bottom end compared to SS stepped headers).

Personally I have never seen or heard of a weld failure associated with Supersprint. The fitment is spot on and there is literally years worth of documentation showing the gains they provide, which is what's most important. Real R&D goes into all of their exhaust parts, unlike a lot of manufacturers.

Aside from quality and fitment, the biggest thing you should concern yourself with is performance gains...none of which I am seeing provided on the 2 header examples you provided above.

I'm no welder and I don't pretend to know much about welding...but to my untrained eye, these look pretty great.


I invite you to look at what goes into Supersprint exhaust parts, including their welds:
http://www.m3forum.net/m3forum/showthread.php?t=470648
http://www.m3forum.net/m3forum/showthread.php?t=439348

Quote:
Originally Posted by Obioban
[Welding] this is where the real Italian artisan aspect comes into play. Supersprint does not grind or polish any of their welds. Nor do they use machine welds for anything more than spot welds to hold the parts together. The level of skill in this section was nothing short of mind blowing.
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Old Mon, Aug-14-2017, 08:13:29 PM   #29
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Default Re: Another "Which header is this?" Welds much better than Supersprint

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Originally Posted by Dr M3an M3 View Post
I invite you to look at what goes into Supersprint exhaust parts, including their welds:
http://www.m3forum.net/m3forum/showthread.php?t=470648
http://www.m3forum.net/m3forum/showthread.php?t=439348
I see you enjoyed my thread. I need to fix the pictures...
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Old Mon, Aug-14-2017, 08:34:55 PM   #30
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Default Re: Another "Which header is this?" Welds much better than Supersprint

Quote:
Originally Posted by TheSt|G View Post
I see you enjoyed my thread. I need to fix the pictures...
Absolutely. It really makes you appreciate what goes into Supersprint's exhaust systems. I suspect the pictures went down with Photobucket? Last I checked until now, they were all there.

It just makes me laugh when threads like this pop up making all these absolute statements, then one look at the posts and you see the OP has no idea what they are talking about.

Its one thing to say "To my untrained eye, these welds look great. Are these welds better than SS?" but "Welds much better than Supersprint" followed up with:
Quote:
Supersprint's welding jobs are inconsistent as some are outright laughable
Quote:
I simply pointed out their inconsistent weld quality when comparing them to the other headers
to...
Quote:
I am still learning about how a good weld is supposed to look


It one thing to seek information to learn. It's another thing when you're just talking out of your ass.

I'm no welding expert and I don't pretend to know much about the technicalities of welding. As long as the item is warrantied for build quality/failures, fits, and the welds are consistent/strong all the way through, that is good enough for me as far as welds go. Once installed you will never see the welds. I'm more concerned about performance gains and differences, which this thread overlooks. That being said, the only thing that looks inconsistent to my untrained eye is the OP's posts in this thread.

If you are really looking to tinker with your exhaust and headers, you might want to spend more time looking at proven dyno graphs.

Sorry for the rant. Threads like this only contribute to misinformation. Especially if someone just sees the title and OP, and doesn't take the time to read the thread.
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Mods: Maintenance, WPC treated rod-bearings, VinceBar (weld) + Redish Plates, Full Beisan VANOS 'lockdown', Supersprint V1 Stepped headers w/ Oversized Section 1, SS Resonated X-Pipe section 2, RE El Diablo Muffler, BBS LMs w/ PSS, Streamline CSL Bumper, CSL style CF diffuser, Vorsteiner CF CSL Bootlid, Angel-eyes, CSL SMG Engine DME tune, CSL '255' SMG DME tune, CSL Dynamic Redline Warmup Light parameters.
Upcoming Group-Buys (PM if Interested): OE CSL Bootlids, CSL Bumper, OE CSL Wheels, Supersprint Headers MEGA thread, CSL Airbox...others in the works.
Please PM me - In search of:
-- Wanting to Trade basically brand new Eagle Eye Smoked Reverse Trunk Lights for a pair that are Non-smoked
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Discussing Another "Which header is this?" Welds much better than Supersprint in the E46 M3 (2001-2006) Forum - Engine: S54 - Max Hp: 333 hp at 7,900 rpm / 262 lb/ft at 4,900 rpm
Total Produced: 45,000+ - Years Produced: 2001 to 2006. at BMW M3 Forum.com (E30 M3 | E36 M3 | E46 M3 | E92 M3 | F80/X)