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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 > E92 335 - eisenmann section 3 (is cutting and welding needed?)



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      09-12-2007, 05:57 PM   #1
nico335
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E92 335 - eisenmann section 3 (is cutting and welding needed?)

is the eisenmenn racing section 3 a direct bolt on? or does it require cutting and welding? need to know ASAP, thanks.
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      09-12-2007, 05:59 PM   #2
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You need to cut off the stock, then the Eisenmann can be clamped.
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      09-12-2007, 05:59 PM   #3
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When installing the Eisenmann Section you will need to cut off the OEM system and clamp/weld on the new Eisenmann system.
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      09-12-2007, 06:00 PM   #4
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Can you say "flying fingers"? Teehee.
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      09-12-2007, 06:01 PM   #5
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Originally Posted by jonm42 View Post
Can you say "flying fingers"? Teehee.
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      09-12-2007, 06:01 PM   #6
nico335
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thanks! you guys are awesome!
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      09-12-2007, 06:15 PM   #7
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ahhh one more question..... does the box come with the clamps? its pretty big to look through and all that white stuff bugs
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      09-12-2007, 06:17 PM   #8
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Yah. Comes w/ everything AFAIK. Even stickers!
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      09-12-2007, 06:21 PM   #9
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ahh better look through my box and make sure these came with it..... otherwise someones gonna have some explaining to do
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      09-22-2007, 11:33 PM   #10
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is it better to clamp or weld ? where do you cut it ?
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      09-23-2007, 08:29 AM   #11
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Quote:
Originally Posted by doba_s View Post
is it better to clamp or weld ? where do you cut it ?
This post will give you an idea of where to cut it...

http://www.e90post.com/forums/showthread.php?t=79514

I think that eisenmann suggests that you weld on the mufflers, but a lot of guys on here just clamp them without any problems.
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      09-23-2007, 11:19 AM   #12
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as always welding is better
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      11-23-2007, 02:01 AM   #13
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Quote:
Originally Posted by BoostedBMW View Post
This post will give you an idea of where to cut it...

http://www.e90post.com/forums/showthread.php?t=79514

I think that eisenmann suggests that you weld on the mufflers, but a lot of guys on here just clamp them without any problems.
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Originally Posted by iOnBmer View Post
as always welding is better
I'm thinking my exhaust is louder than others because it is clamped. My exhaust is considerably louder than Longtran's. We have the same exhaust on the same car.

His is welded though.

I'll get it looked at tomorrow.
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      11-25-2007, 12:35 PM   #14
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wow, i really wanted this exhaust, but now i dont know. how difficult is it to do this? im planning to take it to a shop but dont know if any around my area does cutting and welding.
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      11-25-2007, 02:10 PM   #15
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Quote:
Originally Posted by NINEZeRO View Post
wow, i really wanted this exhaust, but now i dont know. how difficult is it to do this? im planning to take it to a shop but dont know if any around my area does cutting and welding.
When purchasing the full system Section I&II and rear muffler no cutting is required its 100% bolt-on.
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      11-25-2007, 05:52 PM   #16
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When I got my Eisenmann, I for sure had it welded on. Any muffler shop can do it, its not rocket science.
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      11-26-2007, 12:24 AM   #17
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Quote:
Originally Posted by Fraggy View Post
When I got my Eisenmann, I for sure had it welded on. Any muffler shop can do it, its not rocket science.
+1

Also every Eisenmann system comes with clamps for easy install.
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      11-26-2007, 11:52 PM   #18
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Quote:
Originally Posted by Ryan@Eisenhaus View Post
When purchasing the full system Section I&II and rear muffler no cutting is required its 100% bolt-on.
Does the section I & II of the eisenmann exhaust increase hp as much as the Riss Racing downpipes?
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      11-27-2007, 12:13 AM   #19
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sections 1 and 2 aren't downpipes this is not a turbo back system....you need to buy dp's for that....here is what they say on the eisenhaus website:


E92 335i/xi: Section (1+2) Complete SR Pipe Option:

Removes secondary cat-converter + x-pipe eliminates middle resonator box.
These pipes, combined with the muffler, comprise a full
cat-back exhaust system for the 335i/xi.
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