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      12-13-2012, 08:27 PM   #1
stealth.pilot
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Is anyone running the Eisenmann Sport 90mm?

I am considering this exhaust. I have some questions though:
1) how does it look?
2) how does it sound inside the cabin? Can you hear a noticeable increase in volume or is it just a change in tone?

Can anyone verify if there is a difference in sound between the Sport 90mm and Sport 102mm?
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      12-13-2012, 09:10 PM   #2
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personally, looks wise I think I'd prefer the 90MM. the 102MM is a little over the top for my taste.
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      12-13-2012, 09:48 PM   #3
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Quote:
Originally Posted by stealth.pilot View Post
I am considering this exhaust. I have some questions though:
1) how does it look?
2) how does it sound inside the cabin? Can you hear a noticeable increase in volume or is it just a change in tone?

Can anyone verify if there is a difference in sound between the Sport 90mm and Sport 102mm?
I can help you with all those questions as I've had Eisenmann Sport with 90 mm for several months now.

1) Pipe diameter is the perfect size for M5 F10. Bigger than stock and look very proportional. Any larger diameter will look like Kim Kardashian's ass.

2) There is some cabin sound when windows are up and driving in normal mode. I found it to be a very welcome 'side effect' so that I could actually hear my car sometimes. If you drive slowly and steadily there's almost no difference.

3) In 'Sport Plus' mode the volume becomes louder and can be easily heard from far away. It becomes louder, more pleasant to ears. Tone does not change.

Some notes for you to consider:
  • There were some minor issues with installation. Firstly a rubber tube was missing on one of the exhausts, my service had to search for a custom one.
  • Some air was leaking on the central section, sealant had to be used.
  • After initial installation, there was a 'tingling' sound coming from the valves when they were closed. I had asked my service to enable an 'always open mode' and I'm happy with the results.
  • The clearance of the car decreased by a few millimeters due to the larger diameter. Every time I drive to the garage I hit the floor with the middle section, which I previously didn't.
  • You will lose the 'fart' sound when lifting off after a full acceleration. You won't be able to make it even if you try.
  • Driving from a traffic light in 2nd gear and Sport Plus mode will give you an extremely satisfying, deep 'Brabus-like' bass or even louder. Can be useful at times

Overall very satisfied. The size and sound are perfect for someone who chooses an M5. Loud and aggressive enough when you need it, and quiet when you're driving home in peace. What I like the most is that the sound can be heard from very far way, is very pleasing to the ears but paradoxically not too loud. It has a lot of bass, tunes and refinement but is never too much.

The best example I can give:
M5 F10 (Eisenmann Sport) - distance and sound loudness.
1 meter: 100% sound. Music to your ears.
100 meters: 90% sound. Music to your ears.
500 meters: 50% sound. Music to your ears.
1000 meters: 30% sound. I can hear a sports car somewhere!


M5 E60 (Eisenmann)
1 meter: 100% sound. Annoyingly loud.
100 meters: 80% sound. Unpleasantly loud.
500 meters: 40% sound. Music to your ears.
1000 meters: 20% sound. What's that interesting sound?

Last edited by singularity; 12-13-2012 at 10:09 PM.
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      12-13-2012, 10:03 PM   #4
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      12-13-2012, 10:42 PM   #5
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Singularity

Is your exhaust the full exhaust or just the slip on?

Also do you still have the burble on the downshifts?
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      12-13-2012, 11:03 PM   #6
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Quote:
Originally Posted by stealth.pilot View Post
Singularity

Is your exhaust the full exhaust or just the slip on?

Also do you still have the burble on the downshifts?
Full exhaust, except manifold (which doesn't exist for M5 F10). Middle section is Race. I edited my main reply about downshifts and added some more tips. Downshift sound is there, and if anything it's louder. The only thing you will lose is the 'fart' sound.
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      12-13-2012, 11:05 PM   #7
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Singularity - awesome write up. Really helpful info. Sad about the farts...I've grown to love them, but want an aftermarket exhaust.
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      12-13-2012, 11:05 PM   #8
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Quote:
Originally Posted by singularity View Post
Full sport exhaust, but middle section is Race. I edited my main reply about downshifts and added some more tips. Downshift sound is there, and if anything it's louder. The only thing you will lose is the 'fart' sound.
I'm not familiar with the fart sound. I will look out for it. I do notice a burble on downshifts, but it isn't a very strong burble.
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      12-13-2012, 11:08 PM   #9
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Also SIngularity - can you post some pictures?
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      12-13-2012, 11:10 PM   #10
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Quote:
Originally Posted by stealth.pilot View Post
I'm not familiar with the fart sound. I will look out for it. I do notice a burble on downshifts, but it isn't a very strong burble.
When you floor the pedal and released it after 5000 +revs, you hear an explosion-like sound on stock exhaust. That same explosion sound was actually uncomfortable for me in stock version, I got used to doing it once in a while for fun but once I did it in a tunnel the fart sounded like a gunshot with all the resonance.

I don't recall any noticeable downshift sounds on M5 F10, especially compared to M5 E60's.
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      12-13-2012, 11:15 PM   #11
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Also SIngularity - can you post some pictures?
Unfortunately not. Because of Steering failure during snow training. Tried a slalom on a snow course and now it's sitting in the garage with a failed steering. If you wanted to see the diameter of tail pipes I assure you they're the best size for this car stock are too small and 102mm are 'look at me' cheap looking.

To explain how it looks to a third person in the street:
Stock will look like "This car has small tail pipes"
90mm will look like "The car is proportional. Nothing stands out"
102mm will look like "This guy bought himself some aftermarket exhaust"
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      12-13-2012, 11:26 PM   #12
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102mm or go home cheap looking dont think so. Just right!
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      12-13-2012, 11:33 PM   #13
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Here are some photos when the car was being towed. Sorry for bad quality, just cut them from a phone video.
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Last edited by singularity; 12-13-2012 at 11:44 PM.
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      12-13-2012, 11:40 PM   #14
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102mm or go home cheap looking dont think so. Just right!
More like "go with a taste, proportions and aesthetics" not buying the "bigger the better" sorry. No offense intended of course, most important is how you like your car I don't want mine to be an attention drawer but to each his own.
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      12-13-2012, 11:43 PM   #15
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IMO, 90mm is the right size.
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      12-13-2012, 11:44 PM   #16
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Quote:
Originally Posted by singularity
Quote:
Originally Posted by Niko1414 View Post
102mm or go home cheap looking dont think so. Just right!
More like "go with a taste, proportions and aesthetics" not buying the "bigger the better" sorry. No offense intended of course, most important is how you like your car I don't want mine to be an attention drawer but to each his own.
No offense taken... I agree go with what you like...I was torn between 90mm and 102mm and not one really for bigger is better but I do love the 102's
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      12-13-2012, 11:48 PM   #17
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Nikko I think lower springs and wider tires would compliment the 102mm overall. If you have good roads and good weather of course

Here's more of how sport looks

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      12-14-2012, 12:29 AM   #18
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Quote:
Originally Posted by singularity
Nikko I think lower springs and wider tires would compliment the 102mm overall. If you have good roads and good weather of course

Here's more of how sport looks


You must be reading my mind.
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      12-14-2012, 12:32 AM   #19
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Seriously, you got be high as hell to get 90mm, 102mm is for bosses.
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      12-14-2012, 01:04 AM   #20
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Seriously, you got be high as hell to get 90mm, 102mm is for bosses.
And 150mm must be for the kings, yes?
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      12-14-2012, 01:59 AM   #21
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And 150mm must be for the kings, yes?
LOL just messing around. I think they all look great, Can't go wrong with either. 90mm is definitely more stealthy when I hear it it definitely make me think Does that have exhaust? It's not as the rear already grabs many peoples attention.

When I get exhaust Im def going 102mm.
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      12-14-2012, 03:49 AM   #22
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Quote:
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Quote:
Originally Posted by singularity View Post
And 150mm must be for the kings, yes?
LOL just messing around. I think they all look great, Can't go wrong with either. 90mm is definitely more stealthy when I hear it it definitely make me think Does that have exhaust? It's not as the rear already grabs many peoples attention.

When I get exhaust Im def going 102mm.
Are you saying 90mm is quieter?
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