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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 custom exhaust on my e92



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      09-02-2010, 05:04 PM   #1
Synergy
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New custom exhaust on my e92

Here are some pictures of my custom exhaust I had done about a week ago. I removed the second resonator and replaced it with a Magnaflow 12158 single 2.5 in and dual 2.5 out. I had to relocate the charcoal/EVAP canister to behind my bumper to make room for my longer exhaust tips (2.5 in / 4” out). I will eventually replace the muffler with a dual in/dual out instead of single in/dual out.

Most people replaced the stock muffler with the Magnaflow, but I wanted to do it a little differently.

If you have any questions, please post them HERE instead of PMing me, so everybody can read them.

Video here:
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Last edited by Synergy; 01-13-2011 at 04:28 PM.
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      09-02-2010, 06:10 PM   #2
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I have the exact same setup using the round magnaflow muffler instead. Sounds way nicer
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      09-02-2010, 06:16 PM   #3
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Quote:
Originally Posted by e92justin View Post
I have the exact same setup using the round magnaflow muffler instead. Sounds way nicer
I think i'm going to replace it with a Borla muffler. Any pics of your setup?
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      09-02-2010, 09:24 PM   #4
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Oh man this looks really well done. This is exactly what I had in mind for mine. Couple of questions. How much did it cost and any power gains/loss?
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      09-02-2010, 09:54 PM   #5
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Wow that looks great. Vid please
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      09-03-2010, 04:57 AM   #6
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do you have secondary cats on a 328i???
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      09-03-2010, 10:56 AM   #7
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Wow that looks great. Vid please
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      09-03-2010, 10:57 AM   #8
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do you have secondary cats on a 328i???
Yep, you can see them right before the muffler.
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      09-03-2010, 10:58 AM   #9
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Quote:
Originally Posted by Cal1 Beem1n View Post
Oh man this looks really well done. This is exactly what I had in mind for mine. Couple of questions. How much did it cost and any power gains/loss?
I paid roughly $500. This includes the muffler, both exhaust tips, all the piping, and labor. Parts alone were about $250.
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      09-03-2010, 11:05 AM   #10
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more pictures
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      09-03-2010, 11:10 AM   #11
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looks good!

any drone with your setup?
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      09-03-2010, 11:10 AM   #12
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pretty clean..sounds decent too. I did something similar for my quads
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      09-03-2010, 11:41 AM   #13
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Quote:
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looks good!

any drone with your setup?
Thanks

I only get drone on the freeway, maybe around 70mph-ish. It's a but annoying, but I've been used to it since my muffler delete
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      09-03-2010, 05:08 PM   #14
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Definitely bad ass.
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      09-03-2010, 06:15 PM   #15
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Looks nice
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      09-03-2010, 06:33 PM   #16
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Quote:
Originally Posted by Synergy View Post
I think i'm going to replace it with a Borla muffler. Any pics of your setup?
Unfortunately my camera phone sucks ass, and i dont have a cam corder. But i highly recommend you keep the magnaflow. Borlas a bit too high pitched for bimmers imo. I originally requested for the mechanic to do the same exact setup with a borla muffler and he told me to go magnaflow or go home lol. The Borla was more expensive too, shows that he wasnt just tryin to cash my ass out. Couldnt have been more happy with the outcome though, not too quiet, not too loud. Sounds just like yours.
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      09-03-2010, 06:55 PM   #17
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Quote:
Originally Posted by e92justin View Post
I have the exact same setup using the round magnaflow muffler instead. Sounds way nicer

Do you have a part number for the muffler you used?
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      09-04-2010, 09:18 AM   #18
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Quote:
Originally Posted by Cal1 Beem1n View Post
Do you have a part number for the muffler you used?
may be 12158
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      09-04-2010, 12:19 PM   #19
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Quote:
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may be 12158

I see you have a quad setup. I was thinking about that route. What rear did you end up going with?
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      09-04-2010, 12:46 PM   #20
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Quote:
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I see you have a quad setup. I was thinking about that route. What rear did you end up going with?
I ended up going with the mtech rear and custom quad diffuser.

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      09-04-2010, 12:47 PM   #21
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wow definitely looks like quality work. I was going to go this route as well myself but i saw too many muffler shops doing crappy work of welding and putting it together so I just don't wana take the risk and gave up.
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      09-04-2010, 12:56 PM   #22
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Quote:
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I ended up going with the mtech rear and custom quad diffuser.

That looks sick! One more question what tips did you use?
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