C350 Exhaust, diffuser?

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Old May 5, 2012 | 01:38 PM
  #1  
DK23's Avatar
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From: Arlington, Texas
2012 C350 Coupe, 1996 Porsche 993 C4S, 2008 Audi A3, 1928 model A Coupe hot rod, 2003 Mini Cooper S.
C350 Exhaust, diffuser?

Anyone installed a quad tip exhaust like the Eisenmann or Meistershaft? A while back there was a lot of speculation about drone, sound etc. Anyone have any actual experience with one of them?
Carbon rear diffuser for C coupe stock bumper (Quad size)? I've seen non carbon ones, but looking for carbon.
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Old May 5, 2012 | 02:06 PM
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2012 C350 Coupe
I have my meistershaft on the way. Should be here next month or sometime. GT haus pushed back my delivery date from march. Can't wait to put it on.

I got my CF diffuser for JL motoring. Filment is pretty good. Just got it installed yesterday. I'll post pics of it when I get a chance.
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Old May 5, 2012 | 04:58 PM
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From: Arlington, Texas
2012 C350 Coupe, 1996 Porsche 993 C4S, 2008 Audi A3, 1928 model A Coupe hot rod, 2003 Mini Cooper S.
Which exhaust model? Is the diffuser for a quad? I'm very anxious to see photos of it installed.
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Old May 5, 2012 | 05:46 PM
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2012 C350 Coupe
I ordered the quad connected ovals.

The diffuser is for quad. But right now it has the stock dual exhaust. So theres a huge gap.
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Old May 6, 2012 | 01:09 AM
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2012 C350 Coupe
Sorry for the craptastic pictures. But they give you a good idea of how they look like. I'll post more pics when the weather gets better.



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Old May 6, 2012 | 08:53 AM
  #6  
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From: Arlington, Texas
2012 C350 Coupe, 1996 Porsche 993 C4S, 2008 Audi A3, 1928 model A Coupe hot rod, 2003 Mini Cooper S.
That diffuser looks great! Can you give details on the quality of the piece and installation (any issues)? You can PM me if you'd rather. Did you order the race or sport version of exhaust? Thanks for your posts, this is really helpful.
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Old May 8, 2012 | 11:26 PM
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2012 C350 Coupe
Originally Posted by DK23
That diffuser looks great! Can you give details on the quality of the piece and installation (any issues)? You can PM me if you'd rather. Did you order the race or sport version of exhaust? Thanks for your posts, this is really helpful.
The diffuser is of pretty good quality. The only problem I have with it is that it is secured with metal tabs. The bottom center of the diffuser has nothing securing it to the car. I feel like if I go too fast, the diffuser might scoop up the air and crack it. But its holding up good so far. Oh and another thing, since its secured with metal tabs, the body shop I took it to had to remove the bumper to install it. Costed me $110. I'd give the diffuser a 8/10.

I ordered the Race exhaust. Right now I just have a x pipe installed.

Here are some higher quality pics of the diffuser.

C350 Exhaust, diffuser?-isigxh.jpg

C350 Exhaust, diffuser?-rcgbeh.jpg

C350 Exhaust, diffuser?-t95vch.jpg
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Old May 8, 2012 | 11:34 PM
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From: Arlington, Texas
2012 C350 Coupe, 1996 Porsche 993 C4S, 2008 Audi A3, 1928 model A Coupe hot rod, 2003 Mini Cooper S.
Thanks for the details, and the better photos. The diffuser looks very nice in the pics. Please send me a PM or email when you get your exhaust installed and start driving with it. I'm anxious to get a detailed report about the sound, and impact on interior noise levels, drone etc. Thanks.
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Old Jun 15, 2012 | 10:52 AM
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efan's Avatar
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From: HK
W177 A250AMG 2019, W212 FL E250 with 63 kit, R8
diffusers

here is one inspired by the black series cars,
28cm exit size either side, plug in and bolt
Attached Thumbnails C350 Exhaust, diffuser?-ecoupeshop-w204-c-coupe-black-series-look-fins-mesh-diffuser.jpg  
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Old Jun 26, 2012 | 12:52 AM
  #10  
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From: SoCal
2012 C350 Coupe
Originally Posted by DK23
Thanks for the details, and the better photos. The diffuser looks very nice in the pics. Please send me a PM or email when you get your exhaust installed and start driving with it. I'm anxious to get a detailed report about the sound, and impact on interior noise levels, drone etc. Thanks.
I just got my exhaust installed today. I can tell you one thing, they are LOUD. sounds nice through. Theres alot of drone, but i hope it gets better after it breaks in. I think I will dynamat the spare wheel well and get my resonator put back in to quiet down the exhaust sound. I'll have some more time to get pics and video of it tomorrow.

C350 Exhaust, diffuser?-cnon9l.jpg
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Old Jun 26, 2012 | 01:49 AM
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C63 E63
The drone gets slightly better
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Old Jun 26, 2012 | 02:28 AM
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2012 C250 Coupe
Well, I finally ordered all the necessary parts today to get Quad exhaust done on my C250 coupe! I like to push the envelope, so definitely get ready for the "loudest" C250 you will probably ever hear. I just hope it doesn't sound too ricey... On my C300 I ran a pure resonator delete with x-pipe and muffler delete setup. THAT was loud, obnoxious and had TERRIBLE drone.

With the C250 I plan on running a (1) 2.5" Magnapack 14" long, followed by a 2.5" Y-Pipe Inlet to a Dual 2.25" outlet, then feeding quad titanium polish C63 styled exhaust tips to tie in the C63 diffuser (Resonator and Muffler Deleted). I hope the parts get here ASAP so I can get some videos on here for all to see, and then base their mods off my videos! I never was a fan for full Catback systems. I like to design, mix and match my own parts and do the exhaust myself. This way I get a custom sound how I want it sound, and save TONS of money too! Now I just hope that the Magnapack will be enough to eliminate the drone to my liking...
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Old May 1, 2014 | 06:07 PM
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Where was that diffuser purchased? @lookinbarrel
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Old May 9, 2014 | 11:44 AM
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2012 C350 Coupe
Originally Posted by Clkboi
Where was that diffuser purchased? @lookinbarrel
I got that diffuser 2 years ago from eBay so it was one of the early ones. The quality isn't perfect but I'm sure other vendors have better quality ones by now. I think JL motoring has some.
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