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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > OBX Racing Downpipes?



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      07-23-2014, 04:14 PM   #23
fmonteiro444
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Quote:
Originally Posted by Tiago@VRSF View Post
Probably none documented on this forum since the part hasn't been available that long but plenty of other documented failures out there. I really stay away from discussing other brands, especially in a negative light but we used to be heavily involved in the import/compact car scene for well over 7 years before jumping over to the euro market and I've seen dozens upon dozens of these products fail both in person and online. The fact that they claim ANY of these are made of any grade of stainless steel is comical.


This is a quick search, only 2 pages of google results but there are plenty more.
Tiago, your quality is amazing and I just wanted to point out that I am in no way comparing the OBX pipes to VRSF or any other quality brand. These OBX pipes are in no way great quality. But for the price, you get what you pay for and I felt that in my case I was willing to take the chance.
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      07-23-2014, 04:41 PM   #24
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Stainless can rust, depends on the grade. My other car is an FX and Stillen exhausts for that application rust quite frequently. It's stainless and $1K+ so it's not just cheap exhausts. It's just surface rust though, I've never seen a SS part fully rust through.

The quality control on cheap parts is hit or miss; well there really isn't any quality control at that price, it gets made, then shipped out, I doubt anyone looks at it. But if you can DIY the install, it's not such a huge deal, if it cracks pull it. But if you're paying for labor, just spend a little more. The price difference is less than the cost to pull/reinstall so if it cracks even once you've lost money vs. buying another brand.

I've had good experiences with similar type products back in the day, but other people had terrible experiences with the exact same part so it's definitely hit or miss.

Quote:
Originally Posted by Tiago@VRSF View Post
Probably none documented on this forum since the part hasn't been available that long but plenty of other documented failures out there. I really stay away from discussing other brands, especially in a negative light but we used to be heavily involved in the import/compact car scene for well over 7 years before jumping over to the euro market and I've seen dozens upon dozens of these products fail both in person and online. The fact that they claim ANY of these are made of any grade of stainless steel is comical.



http://www.audizine.com/forum/showth...-arround-welds

http://forums.acuralegend.org/cracke...cs-t3782.html?

http://www.northamericanmotoring.com...r-cracked.html

http://forums.pelicanparts.com/porsc...ked-apart.html

http://forums.maxima.org/5th-generat...x-headers.html

http://www.northamericanmotoring.com...cked-lmao.html

http://forums.beyond.ca/showthread/t-20034.html

This is a quick search, only 2 pages of google results but there are plenty more.
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      08-18-2014, 08:20 PM   #25
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i went ahead and bought the 3" VRSF, installing them on wed.

if i have a jb4 g5 do i still need the downpipe fix?
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      08-18-2014, 08:38 PM   #26
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Quote:
Originally Posted by Turbo335iATX View Post
i went ahead and bought the 3" VRSF, installing them on wed.

if i have a jb4 g5 do i still need the downpipe fix?
If you need to pass OBD emissions you will.
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      08-18-2014, 09:19 PM   #27
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Quote:
Originally Posted by Turbo335iATX View Post
i went ahead and bought the 3" VRSF, installing them on wed.

if i have a jb4 g5 do i still need the downpipe fix?
Good decision
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      08-19-2014, 07:13 AM   #28
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I agree that the price is good. I would rather replace twice in ownership of car than pay vrsf price.

Quality is one thing, but high grade stainless tubing is cheap, a jig to make part using shape of stock pipe is also cheap.
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      08-19-2014, 08:20 AM   #29
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Quote:
Originally Posted by jordon335 View Post
I agree that the price is good. I would rather replace twice in ownership of car than pay vrsf price.

Quality is one thing, but high grade stainless tubing is cheap, a jig to make part using shape of stock pipe is also cheap.
You would rather buy a garbage product and install them TWICE, rather than pay for VRSF pipes?

Comments like this make me wish I bought a different vehicle.
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      08-19-2014, 02:48 PM   #30
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Quote:
Originally Posted by jordon335
I agree that the price is good. I would rather replace twice in ownership of car than pay vrsf price.

Quality is one thing, but high grade stainless tubing is cheap, a jig to make part using shape of stock pipe is also cheap.
+1
As long as the part in question isn't dangerous if it fails or isn't too hard to install.
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