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      02-24-2011, 12:17 PM   #45
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Those look awesome. Does installing these void the warranty at all? This is the first time where even my gf liked the look of the exhausts and girls don't usually give 2 sh*ts about exhaust.
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      02-24-2011, 12:29 PM   #46
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Quote:
Originally Posted by aajami View Post
Purely for aesthetics. The prototype version of this exhaust was black, and that color masked its bulky canisters better than the light color of the exposed metal. I've asked BMW AG if they encountered any problems with the coating -- we'll see what they say. Do you know of any problems with doing this?




Hi Ian. Nope, BMW is being very tight-lipped about it. I asked them directly if it was Eisenmann about 6 months ago, and the answer was "no", but that was before the production delay pushed the release of this exhaust back from summer '10 to February '11. BMW could very well have switched manufacturers in that time.



I don't know, as I haven't installed it. Based on the product manager's description and the clip of the exhaust that BMW released last week, I'm guessing that it's going to be less bassy and more raspy than the ES in the low RPMs, less droney during cruising speeds, and louder during WOT. But that's speculation -- I'll let you know in about a week.




Thanks, Scott. Some friends and I may be doing Cars & Coffee either on 3/5 or 3/12. You should come out to that -- give me a call for the details.



I didn't measure them yesterday, but I will next week. They looked bigger than the stock tips when I was taking these pictures yesterday, fwiw...




I'll have EAS weigh the unit. It was definitely much lighter than stock, though. I was able to pick up the exhaust with one hand yesterday -- not something I could have done with the stock one.

And for those of you inquiring about the price, you can send a PM to Jimmy (GOLFFRR) for a quote. I got it within +/- $100 of what he's been quoting.
I'll get weights as soon as the exhaust arrives.
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      02-24-2011, 12:42 PM   #47
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I would like to see before and after dynos on this exhaust, someone who is picking one of these units up should test it.
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      02-24-2011, 12:43 PM   #48
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dang! It looks good! OEM FTW!
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      02-24-2011, 12:59 PM   #49
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Those tips are beautiful congrats
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      02-24-2011, 01:01 PM   #50
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Quote:
Originally Posted by truths2k05 View Post
I would like to see before and after dynos on this exhaust, someone who is picking one of these units up should test it.
When aajami sees the new toy we just had installed, that just might be possible.
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      02-24-2011, 01:18 PM   #51
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Quote:
Originally Posted by tom @ eas View Post
When aajami sees the new toy we just had installed, that just might be possible.
No way! You guys have a dyno at the new location?
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      02-24-2011, 01:25 PM   #52
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Quote:
Originally Posted by aajami View Post
No way! You guys have a dyno at the new location?
Yes sir.
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      02-24-2011, 02:19 PM   #53
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Quote:
Originally Posted by aajami View Post
Purely for aesthetics. The prototype version of this exhaust was black, and that color masked its bulky canisters better than the light color of the exposed metal. I've asked BMW AG if they encountered any problems with the coating -- we'll see what they say. Do you know of any problems with doing this?

Shouldn't be any problem...normally ceramic coating is used over cheap aluminized piping to prevent oxidation and corrosion when used in high temp conditions. Inco is a special alloy developed for high temp applications so it doesn't need any cheap ceramic coating. Having said that if you are doing it to better hide the ugly boxes I can see your logic.
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      02-24-2011, 02:54 PM   #54
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I'm curious to hear this as well.... I'm a big fan of OEM stuff... but I'm pretty sure the sound just won't justify the price they are asking for it.
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      02-24-2011, 04:55 PM   #55
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Exhaust just arrived, here are some quick specs:

OEM M3 Exhaust:
Weight: 56.5lbs (Muffler/Connecting Pipes)
Tip Style: Rolled Lip, Unresonated
Tip Size OD: 3.00"
Tip Size ID: 2.25"

M-Performance Exhaust:
Weight: 26.5lbs (muffler only)
Connecting Pipes: 9.1lbs
Tip Style: Single Wall, Resonated
Tip Size OD: 3.00"

Weight Savings: 20.4lbs

We'll get some quick "before" pictures, prep the exhaust and send this off to ThermalCoating right away.
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Last edited by tom @ eas; 02-24-2011 at 05:13 PM.
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      02-24-2011, 04:58 PM   #56
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Quote:
Originally Posted by tom @ eas View Post
Exhaust just arrived, here are some quick specs:

Weight: 26.5lbs
Tip Size: 3.00"

We'll get some quick "before" pictures, prep the exhaust and send this off to ThermalCoating right away.
Thanks, Tom. So the tips are 76mm (and change) then, which makes them a hair bigger than stock.

Anyone know how much the stock exhaust weighs?
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      02-24-2011, 05:06 PM   #57
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I'd like to see this opened up and compared to the OEM exhaust. Congrats!
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      02-24-2011, 05:10 PM   #58
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Quote:
Originally Posted by JDy80 View Post
Does installing these void the warranty at all?
Given its OEM that would be a massive no.
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      02-24-2011, 05:11 PM   #59
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Quote:
Originally Posted by aajami View Post
Thanks, Tom. So the tips are 76mm (and change) then, which makes them a hair bigger than stock.

Anyone know how much the stock exhaust weighs?
Not as much as the eye would show. Info updated in my previous post.

Quote:
Originally Posted by Sedan_Clan View Post
I'd like to see this opened up and compared to the OEM exhaust. Congrats!
I doubt anyone will be cutting open a $4K muffler anytime soon, but time will tell
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      02-24-2011, 05:34 PM   #60
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Quote:
Originally Posted by tom @ eas View Post


I doubt anyone will be cutting open a $4K muffler anytime soon, but time will tell
It's cool, Tom. Go ahead and take a circular saw to that thing, in the name of science

(Edit: Seriously, please do not)
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      02-24-2011, 05:34 PM   #61
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^ Tom thanks for getting all that info for us all! your the man
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      02-24-2011, 06:04 PM   #62
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Quote:
Originally Posted by aajami View Post
It's cool, Tom. Go ahead and take a circular saw to that thing, in the name of science

(Edit: Seriously, please do not)
haha - don't tempt me.

Back to work.
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      02-24-2011, 06:25 PM   #63
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BMWUSA website confirms the 20lb weight savings as well.
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      02-24-2011, 07:02 PM   #64
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We just got your exhaust today so I snapped a few shots.





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      02-24-2011, 07:12 PM   #65
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Ummmm. BMW N??

^^^
Ummm... Is that an "N" on the tip??? I didn't know BMW had an "N" division. wtf.
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      02-24-2011, 07:23 PM   #66
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^^^
Ummm... Is that an "N" on the tip??? I didn't know BMW had an "N" division. wtf.
Damn it is an N, i cant belive it ,may be picture taken at a bad angle(I hope)
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