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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 > NEW Dual Side Exhaust Conversion



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      04-25-2010, 08:27 PM   #1
headlee103
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NEW Dual Side Exhaust Conversion

Well this seems to be a popular subject recently!! So I decided to do this conversion because my stock bumper was scratched up in a few spots and I got this new Aero Rear from a fellow member about a month ago. I finally got all the components I need last week and was able to get it into the shop over the weekend.

Things needed:

Dual side bumper
Muffler (mine is Magnaflow part #11148)
Tips (mine are Cyba 4.0in Black Chrome)
A good exhaust shop (stainless steel pipe and about 4hrs of labor)

So after the install, I was very happy with the outcome. I know it seems like 4 hours might be a long time for labor, but believe me they did a really good job. Like many people have said before, it is very tight under there but still very doable by a good shop. Anyway here are some pics, let me know if you have any questions. And I will try to post up a sound clip within a few days... there is no drone, and just a little deeper during

Sound Clip Added!!

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Last edited by headlee103; 04-27-2010 at 08:07 PM.
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      04-25-2010, 08:42 PM   #2
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DREW!!! Looks amazing!!! well done and glad to see this completed!
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      04-25-2010, 08:49 PM   #3
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looks good man!
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      04-25-2010, 08:50 PM   #4
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That looks excellent! Those tips are very nice!
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      04-25-2010, 08:51 PM   #5
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Very nice!
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      04-25-2010, 09:13 PM   #6
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looks spectacular
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      04-25-2010, 09:16 PM   #7
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Quote:
Originally Posted by headlee103 View Post
Things needed:

Dual side bumper
Muffler (mine is Magnaflow part #11148)
Tips (mine are Cyba 4.0in Black Chrome)
A good exhaust shop (stainless steel pipe and about 4hrs of labor)
Nice. Shop near me told me that s.s. was hard to work with (bends and cuts), and instead does it with aluminum.
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      04-25-2010, 09:22 PM   #8
headlee103
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Thanks for all the compliments guys!!

Quote:
Originally Posted by issabmw View Post
Nice. Shop near me told me that s.s. was hard to work with (bends and cuts), and instead does it with aluminum.
The shop I was at said they would be able to do it with that, just took some more time. But in the long run would be a better product.
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      04-25-2010, 09:25 PM   #9
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Quote:
Originally Posted by headlee103 View Post

The shop I was at said they would be able to do it with that, just took some more time. But in the long run would be a better product.
Nice, thanks for replying. I'll need to find a shop that'll do stainless.
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      04-25-2010, 09:26 PM   #10
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Do you mind PM'ing the cost of labor and piping?
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      04-25-2010, 09:28 PM   #11
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sound clips?
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      04-25-2010, 09:36 PM   #12
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Very nice! Can't really see in the pic...did you keep your resonator? If so, any plans to delete it or are you happy with the Magnaflow sound?

Again...very nice...and clean!

Post up a sound clip if you have time.
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      04-25-2010, 10:11 PM   #13
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damn that looks really nice
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      04-25-2010, 10:12 PM   #14
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Looks PERFECT! That shop did an amazing job.
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      04-25-2010, 10:19 PM   #15
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Looks good. You're going to confuse allot of people with the 335 rear and a 328 badge. lol Do you think that right pipe is too close to the storage bin in the trunk. Isn't it plastic?
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      04-25-2010, 10:24 PM   #16
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Looks good Drew!
Keep it up!
Black out the badges!

Last edited by Bobby_LeMans; 04-25-2010 at 10:39 PM.
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      04-25-2010, 10:27 PM   #17
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looks great

debadge?
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      04-25-2010, 10:32 PM   #18
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Nice!
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      04-25-2010, 10:41 PM   #19
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Quote:
Originally Posted by IB6UB9ok View Post
Very nice! Can't really see in the pic...did you keep your resonator? If so, any plans to delete it or are you happy with the Magnaflow sound?

Again...very nice...and clean!

Post up a sound clip if you have time.
I left the resonator on, all along I wanted it to be as close to stock sound as possible. It is just a bit louder, and I am very happy with that. Ill post up a sound clip ASAP

Quote:
Originally Posted by ********* View Post
Looks good. You're going to confuse allot of people with the 335 rear and a 328 badge. lol Do you think that right pipe is too close to the storage bin in the trunk. Isn't it plastic?
I dont think I will have a problem with the heat, the picture may be a little misleading because it really isnt that close.

Quote:
Originally Posted by Sniz View Post
looks great

debadge?
As for the debadging or blacking out the badge, Im not sure what to do yet. I think debadging is the cleanest look, but at the same time Im sure I will get "ohhh he just wishes he had a 335" and I really dont care. Soo what are your thoughts?
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      04-25-2010, 11:49 PM   #20
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Quote:
Originally Posted by headlee103 View Post
As for the debadging or blacking out the badge, Im not sure what to do yet. I think debadging is the cleanest look, but at the same time Im sure I will get "ohhh he just wishes he had a 335" and I really dont care. Soo what are your thoughts?
Just don't listen to the haters out there! Good job on the conversion, looks clean!

Have you spoken to the dealership if this voids warranty? I called my local dealer and the guy said it would only void exhaust warranty if I ever had issues but I just need that reassurance.
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      04-26-2010, 12:08 AM   #21
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Nah debadging is very classy.

No reason to advertise what model regardless if its a 323 330 335 etc...

In Germany it used to be an option to have a badge on your BMW. Like dealer installed back in the E34 days.
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      04-26-2010, 12:11 AM   #22
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Very nice man! Good work
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