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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Mufflers only mod



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      11-30-2008, 08:53 PM   #1
Dan335i
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Mufflers only mod

Has anyone done just a mufflers only to a 335i coupe,6MT.The rest of the exhaust being bone stock except for a pair of performance muffs,like magnaflows or similiar?And did you get any drone or resonance in the cabin?If so links to a vendor please.thanks,Danny
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      11-30-2008, 09:09 PM   #2
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if your going to do that, have the muffler shop replace the crushed piping before the mufflers as well.
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      11-30-2008, 09:11 PM   #3
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If your just changing the mufflers I dont think the sound will alter too much. But once you remove the resonator it will get 10X louder.
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      11-30-2008, 09:16 PM   #4
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Quote:
Originally Posted by SfValley335i View Post
If your just changing the mufflers I dont think the sound will alter too much. But once you remove the resonator it will get 10X louder.
huh?
Eisenmann and Bastuck are section 3 mufflers and they completely change the sound.
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      11-30-2008, 09:51 PM   #5
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Quote:
Originally Posted by lyjw88 View Post
huh?
Eisenmann and Bastuck are section 3 mufflers and they completely change the sound.
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      11-30-2008, 10:45 PM   #6
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Dont want to change anything but the mufflers.I know i wont gain any noticeable power,just a more agressive note with no resonance in the cabin.Leaving everything bone stock except the mufflers.My stock mufflers were damaged after hitting something in the road and insurance replaced the stockers with brand new ones.They go together with just clamps instead of being welded as a one piece unit like from the factory.So just changing the mufflers is a breeze.I,m positive by just throwing on a set of magnaflows or AE mufflers will give me the sound i,m looking for without any drone or resonance in the cabin.
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      11-30-2008, 10:48 PM   #7
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Quote:
Originally Posted by Dan335i View Post
Dont want to change anything but the mufflers.I know i wont gain any noticeable power,just a more agressive note with no resonance in the cabin.Leaving everything bone stock except the mufflers.My stock mufflers were damaged after hitting something in the road and insurance replaced the stockers with brand new ones.They go together with just clamps instead of being welded as a one piece unit like from the factory.So just changing the mufflers is a breeze.I,m positive by just throwing on a set of magnaflows or AE mufflers will give me the sound i,m looking for without any drone or resonance in the cabin.

I got a set of dinan mufflers for sale .. they sound great and def no drone!

http://www.e90post.com/forums/showthread.php?t=188910
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      11-30-2008, 11:03 PM   #8
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      11-30-2008, 11:20 PM   #9
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Quote:
Originally Posted by SfValley335i View Post
If your just changing the mufflers I dont think the sound will alter too much. But once you remove the resonator it will get 10X louder.
Where are the resonators? I looked under there and all I saw was the 2 secondary cats and a square box thing, is the sqaure can after the cats a resonator?
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      12-01-2008, 02:00 AM   #10
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+1
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      12-01-2008, 02:09 AM   #11
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Quote:
Originally Posted by SfValley335i View Post
If your just changing the mufflers I dont think the sound will alter too much. But once you remove the resonator it will get 10X louder.
you obviously havent heard my car then. just a pair of magnaflow race mufflers. other than that stock piping.


http://s18.photobucket.com/albums/b1...Movie_0002.flv

^^^ dont know how to embedd off photobucket.

^^ obv. that was a cold start thats why its REALLLY loud.
back when car was stock other than exhaust oBV.



those should answer the OP's questions.


and defenently OP, if you dont want a loud muffler then do not get the magnaflow race, i personally wanted it as loud as possible so i picked these. the have a bit of drone but i love it! i would go with another muffler like the dinan he posted above, those sound alot quiter then the magnaflows and still sound nice.
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      12-01-2008, 02:09 AM   #12
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Quote:
Originally Posted by Terrance28 View Post
Where are the resonators? I looked under there and all I saw was the 2 secondary cats and a square box thing, is the sqaure can after the cats a resonator?
no resonators on the e92
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      12-01-2008, 03:14 AM   #13
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I,m 51 and want it quiet.(LOL) but a little meaner than stock.Thats the reason i want to keep everything bone stock except the mufflers.Does AE sell just mufflers?What about a non race pair of magnaflows.This week i am probably going to check out the Dinans in Westchester and see what they sound like.Lots of choices and decisions to make.
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      12-01-2008, 03:16 AM   #14
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Quote:
Originally Posted by Dan335i View Post
I,m 51 and want it quiet.(LOL) but a little meaner than stock.Thats the reason i want to keep everything bone stock except the mufflers.Does AE sell just mufflers?What about a non race pair of magnaflows.This week i am probably going to check out the Dinans in Westchester and see what they sound like.Lots of choices and decisions to make.

ive heard the non race magnaflows and it is pretty much what you are looking for, just a little deeper than stock. Hope i helped out at least a little.

and btw your still young! haha
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      12-01-2008, 08:06 AM   #15
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I cannot speak for the Eisenmann, but I have a Bastuck and it definitely changes the sound. No drone at all. Very happy with it. G/L with your decision.
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      12-01-2008, 11:41 AM   #16
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try either the Bastuck or Eisenmann sport. they are not cheap, but the quality is great.
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      12-01-2008, 02:57 PM   #17
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Thanks a lot guys.I appreciate it.
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      12-01-2008, 04:05 PM   #18
Dan335i
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Anyone know where i could hear a sound clip of the non race magnaflows?
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      12-01-2008, 06:55 PM   #19
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hey i have a question when u remove the resonator is it possible to put it back on later ?
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      12-01-2008, 07:52 PM   #20
Dan335i
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Anything removed can be put back on.Might require welding,etc.But yes they can be put back on.
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