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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > someone PLEASE help and explain to me what this guy did



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      10-18-2011, 04:55 PM   #1
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someone PLEASE help and explain to me what this guy did

So I came across this video and I was wondering how this guy got his exhaust to sound like this without taking off the muffler. The description says "basically opened up each muffler removed all the sound deadening and wrapped the inner pipes to create "straight through" pipes."

Has anyone done this or have any info on it?

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      10-18-2011, 05:02 PM   #2
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hmm, not feeling it sorry, but the quick how to is

angle grinder around the seam of the exhaust body
Open up
remove dampening material
use manifold wrap to tighten the gauzed pipes
Wire strap the manifold wrap to the gauze piping

Recase the exhaust body
Tig weld
Drive around with loud exhaust

Thats pretty much it fella..
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      10-18-2011, 05:09 PM   #3
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Quote:
Originally Posted by Mallard View Post
hmm, not feeling it sorry, but the quick how to is

angle grinder around the seam of the exhaust body
Open up
remove dampening material
use manifold wrap to tighten the gauzed pipes
Wire strap the manifold wrap to the gauze piping

Recase the exhaust body
Tig weld
Drive around with loud exhaust

Thats pretty much it fella..
is it easy to undo? the cars a lease
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      10-18-2011, 06:17 PM   #4
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no , once done, its done..
to undo would never give you the same sound as before it was done..

and being a lease, id seriously consider the cons of returning the vehicle with the altered rear section.. it could end up quite expensive..
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      10-18-2011, 06:45 PM   #5
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Don't do it.. I've done muffler delete and your whole interior will rattle + drone will make you deaf.
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      10-18-2011, 10:13 PM   #6
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thats raspy ..
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      10-18-2011, 10:50 PM   #7
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It may sound crazy but the way it sound when revved high is similar to an M5 V10 lol... so rasp or not, I actually think its decent.
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      10-19-2011, 01:26 AM   #8
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Quote:
Originally Posted by Mallard View Post
no , once done, its done..
to undo would never give you the same sound as before it was done..

and being a lease, id seriously consider the cons of returning the vehicle with the altered rear section.. it could end up quite expensive..
wow never mind then. Guess ill just delete the muffler all together
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      10-19-2011, 03:46 AM   #9
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Quote:
Originally Posted by Questforpower View Post
It may sound crazy but the way it sound when revved high is similar to an M5 V10 lol... so rasp or not, I actually think its decent.
I kinda agree with you, if that top end doesn't sound any more raspy under load I think that setup would sound pretty damn goood! I wonder how it would sound on an n54.
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      10-19-2011, 11:14 PM   #10
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Why would anyone want a BMW to sound like that? Maybe it's a sign I'm getting old. Simply don't understand it.
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      10-20-2011, 12:31 PM   #11
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dear Lord!... it sounds like a freakin' Honda Civic... embarrassing.
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      10-20-2011, 12:32 PM   #12
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Why would anyone want a BMW to sound like that? Maybe it's a sign I'm getting old. Simply don't understand it.
you and me both.
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