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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 > E90 325 Muffler Delete !!!!



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      11-16-2007, 08:34 PM   #221
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did the mod. didnt take out resonator... think its loud enough with the muffler deleted... no vibrations in the car... cant really hear much noise below 2000 revs.. which is a good thing, that way i dont scare all my neighbours when i go back home. will post more pics by tmr. thanks you guys !
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      11-18-2007, 01:13 PM   #222
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Originally Posted by montreal jet black View Post
did the mod. didnt take out resonator... think its loud enough with the muffler deleted... no vibrations in the car... cant really hear much noise below 2000 revs.. which is a good thing, that way i dont scare all my neighbours when i go back home. will post more pics by tmr. thanks you guys !
glad you like it!
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      11-19-2007, 11:23 PM   #223
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here are pictures of my muffler delete mod! that i did on friday.

http://s224.photobucket.com/albums/d...t=DSC00928.jpg

unfortunately, 5 cars in my garage got broken into on sunday morning (including mine) hence the other pictures that you see in the same album!! am very pissed !! ... lost an ipod and some change but most importantly i got to get a new window now!!!
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      11-20-2007, 11:02 PM   #224
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Got my res. and mufflers removed today at American Muffler in Westbury (p.s when i went to get it done the guy Steve said another kid came in asking to do the same thing to his e90 the day after i made my appointment, who you be lol). Anyone in the long island area i highly recomend American Muffler!! Any way car sounds GREAT, loud but not obnoxious, deff. an attention grabber when you stomp on it.
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Black on black 328i..Flat black with red lip 18x8.5 & 18x9 Rota SVN's..Muffler and resonator delete..Injen intake..Black kidney grilles..black headlight overlays..black roundels..20% tint..Nokya yellow fogs
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      11-21-2007, 12:41 PM   #225
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NICE!
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325i // Sport Package // 6 speed manual // AFE intake // Resonator + Muffler Delete // 20% tints//

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      11-21-2007, 12:48 PM   #226
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as you guys know, i got my window broken the day after i got my muffler removed. i just sent my car into the dealership yesterday. the service assistant didnt mention anything bout my muffler being removed... he just asked if i modified my exhaust...and i said yes and he says it sounds pretty good. let's see if bmw gives me any trouble for doing this when i pick up my car early next week....

take note, this is a leased car.
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      11-21-2007, 01:13 PM   #227
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haha.. ya thats what i am worried about ^^^^ hope everything goes well
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      11-21-2007, 02:16 PM   #228
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i took mine for service, they didnt say anything...
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      11-28-2007, 03:16 PM   #229
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got my car back yesterday... service assistant didnt say a thing... so i guess you guys are safe.
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      12-03-2007, 06:14 AM   #230
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Did this 2 days ago, paid $200. Yep that's more than others have paid, but I asked to weld together 2 magnaflow tips which cost $65 each. I love the look and the sound.





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      12-03-2007, 11:27 AM   #231
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Quote:
Originally Posted by koreez88 View Post
Joining the army:
Did this 2 days ago, paid $200. Yep that's more than others have paid, but I asked to weld together 2 magnaflow tips which cost $65 each. I love the look and the sound.
awesome.... hope you like it... i love mine and i dont think its too loud either... just the right sound... i was really afraid of how loud its going to be.
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      12-04-2007, 02:33 AM   #232
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This is indeed the best mod for the e90!
Sounds better in any muffler in my opinion. Sounds bad ass and it's not too loud. Hell for 100$, best mod I've done all year. Extended "props" goes to ScheerSpeed!

montreal jet black -> my dealer didn't say anything too, people actually said it sounds nice! But I own the car, it's not lease.
Damn bro, how come you got your windows smashed?
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      12-04-2007, 03:37 AM   #233
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how does it sound when driving normal. im afraid of drone. i dont want any drone.
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      12-04-2007, 03:51 AM   #234
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The drone is there, but it's not horrible
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      12-04-2007, 01:06 PM   #235
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Quote:
Originally Posted by BMW_E90 View Post
how does it sound when driving normal. im afraid of drone. i dont want any drone.
i think there's slight drone above 2500 rpm or so... but with the windows up and all doors closed, i hardly notice it... with the windows down, it would be more obvious...

i've ridden in a car with an ikon exhaust installed and doing this mod gives slightly louder sound but the drone is very similar i think....
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      12-05-2007, 01:22 AM   #236
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thanks for the "props", but that should actually go to D-Rock (he's never on) who inspired me to do this!

glad u guys like it!
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      12-05-2007, 05:17 PM   #237
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Quote:
Originally Posted by BMW_E90 View Post
how does it sound when driving normal. im afraid of drone. i dont want any drone.
Actually with an after market Intake I have no drone...
Sometime I can hear some drone but BARELY.
It's clean all the way. The way I like it!
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      01-08-2008, 04:52 AM   #238
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Hey guys.. I will give this idea a shot to see if I will like it.. but anyways Will these tips work?

http://www.magnaflow-champ.com/index...OD&ProdID=3685

And anyone have a video of resignator+muffler delete?
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      01-08-2008, 08:55 AM   #239
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Originally Posted by rizal View Post
Hey guys.. I will give this idea a shot to see if I will like it.. but anyways Will these tips work?

http://www.magnaflow-champ.com/index...OD&ProdID=3685

And anyone have a video of resignator+muffler delete?
i dont advise you to do both. its too loud and raspy...unless you want your car sounding like a civic.
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      01-08-2008, 11:23 AM   #240
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This thread got long! checking out the latest resonator and muffler delete photo and weld job and it looks very very temping. Not sure if my neighbors going to like it. Any recommended shop in the LA area??

Korzee88: you did only muffler or muffler and resonator? ...and any mod on the intake?
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      01-08-2008, 12:11 PM   #241
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scheerspeed: can you elaborate more on the resonator mod for retaining backpressure?

here is my interpretation:

The OEM pipe from the engine to the resonator is diamerter X and the pipe exiting the resonator is diameter X-Y, where Y is a small value. In addition, the pipe exiting the resonator extended into the resonator device about 2 inches. So the reduction in pipe diameter (from inlet to outlet) and maybe shortening of the exhast path within the resonator makes up for the backpressure of the OEM exhaust effect.

Anyone with engineering support?
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Last edited by cgnahc; 01-08-2008 at 12:29 PM.
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      01-08-2008, 01:19 PM   #242
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Quote:
Originally Posted by cgnahc View Post
This thread got long! checking out the latest resonator and muffler delete photo and weld job and it looks very very temping. Not sure if my neighbors going to like it. Any recommended shop in the LA area??

Korzee88: you did only muffler or muffler and resonator? ...and any mod on the intake?
Muffler only. No intake in the video, but I added Simota a month ago.
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