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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > NA Engine (non-turbo) / Drivetrain / Exhaust Modifications > Muffler delete with dual exhaust or quad diffuser question



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      03-27-2013, 10:42 PM   #1
Beamin
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Muffler delete with dual exhaust or quad diffuser question

I am going to be doing a muffler delete on my e90 330i and before I mimick the way it looked, I was wondering if there was a rear diffuser that would allow a look like the 335 or the M3? Thanks!!!
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      03-28-2013, 01:20 AM   #2
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Just did a muffler delete today and absolutely love it cheapest and best exhaust mod
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      03-28-2013, 01:40 AM   #3
Beamin
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Quote:
Originally Posted by harendre7201
Just did a muffler delete today and absolutely love it cheapest and best exhaust mod
Great, I'm sold on it. But not sure about the rear diffuser or if the 335 bumper will fit an 06 330 so I can do dual or quad
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      03-28-2013, 03:18 AM   #4
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Quote:
Originally Posted by Beamin View Post
I am going to be doing a muffler delete on my e90 330i and before I mimick the way it looked, I was wondering if there was a rear diffuser that would allow a look like the 335 or the M3? Thanks!!!
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      03-28-2013, 10:52 AM   #5
Beamin
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I did noone seems to want to do what im doing or just hasn't posted about it
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      03-28-2013, 11:56 AM   #6
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Quote:
Originally Posted by Beamin
I did noone seems to want to do what im doing or just hasn't posted about it
Look up duke dynamics. They sell a quad diffuser with the 'performance style' look to it. Comes in plastic or cf.

Only way to get the true M3 look is with an M3 bumper.
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      03-28-2013, 09:55 PM   #7
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Quote:
Originally Posted by BRGmatthew View Post
+1 on what Matt said.

Quote:
Originally Posted by Beamin View Post
I did noone seems to want to do what im doing or just hasn't posted about it
No you didn't cuz it's all over the forum and internet. It's not hard to type in quad diffuser E90 or 335 diffuser E90.

Quote:
Originally Posted by Blindside_137 View Post
Look up duke dynamics. They sell a quad diffuser with the 'performance style' look to it. Comes in plastic or cf.

Only way to get the true M3 look is with an M3 bumper.
Blindside had to for you.
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      03-29-2013, 10:56 AM   #8
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Thanks Dad now go get a life and stop monitoring the forums
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      03-29-2013, 05:38 PM   #9
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Quote:
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Thanks Dad now go get a life and stop monitoring the forums
you're welcome son, now go do a LOL
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      03-29-2013, 05:45 PM   #10
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Lol no harm no foul guys.

IMO a muffler delete is a bit too much (only listening to YouTube vids). But, maybe adding the extra piping of a dual exhaust would help tone it down to a more tolerable level.

Any vids out there of the delete and dual conversion? Haven't found any.
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      03-29-2013, 08:46 PM   #11
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Muffler delete is perfect with the right tips. Doesn't drone at all on the highway, kicks ass on the power side.
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      03-29-2013, 09:38 PM   #12
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Quote:
Originally Posted by AlpineSwift
Muffler delete is perfect with the right tips. Doesn't drone at all on the highway, kicks ass on the power side.
Cool good to hear. Thinking of just doing the delete when I go with my dual exhaust conversion. Possibly the 2nd cat as well.
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      03-29-2013, 10:12 PM   #13
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i have the muffler deleted with the 2ndary cat delete.. LOVE The way it sounds
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      03-29-2013, 10:31 PM   #14
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Quote:
Originally Posted by BMVeh
i have the muffler deleted with the 2ndary cat delete.. LOVE The way it sounds
Any video? I'd love to hear it!
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      03-29-2013, 10:58 PM   #15
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i been meaning too....i ll try and maybe get one tomorrow
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      03-29-2013, 11:01 PM   #16
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Quote:
Originally Posted by BMVeh
i been meaning too....i ll try and maybe get one tomorrow
That would be greatly appreciated!
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      03-30-2013, 01:55 PM   #17
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im looking to do a muffler delete and then having the dual exhaust setup too!
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      03-30-2013, 02:04 PM   #18
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I say first try the muffler delete only and see how you like it. I don't have drone with just the muffler delete, I am using 2.5 inch piping from the resonator back. The car is super quiet under 3000rpm but when you want, it screams. The cold start is nice just a little extra growl.
I say hold off on the 2nd cats because you dont want to have to deal with smog problems, because here in CA its a bitch
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      03-30-2013, 02:27 PM   #19
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The AA 328i exhaust is fairly cheap (around 500) Sounds pretty good to me, and it has this thing, dont know what it is called, but it prevents drone. There is no muffler.
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      03-30-2013, 06:27 PM   #20
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Just ordered magnaflow dual one side tips. Appointment on Monday. $140 total including tips. I am going to post a video on Monday
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      03-31-2013, 12:52 PM   #21
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I did a single to dual conversion on my 330i using the Magnaflow 12138. The only concern I would have for the dual muffler delete is that drone will definitely be annoying.

As far as diffusers go I believe there was a diffuser from Cyba for an OEM 335 bumper if you wanted to do quads but they stopped making it so have a looksee.

As far as vids for duals go there are users arctic330, VTECaddict, and koreez (or koreez88) that have some videos up for that. PM me if you have any questions about the dual setup. It cost me about 300 for exhaust alone.
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      03-31-2013, 08:59 PM   #22
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Did not want to impersonate so did regular MD with Magnaflow tips. Appointment tomorrow morning.
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