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      04-30-2009, 04:29 PM   #1
blaze144
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128i Muffler Delete

Ok so I really want to do the exhaust on my 128i and I'm waiting to save up for a real exhaust, but in the meantime I was thinking tomorrow I was gonna go and delete the muffler, but leave the resonator, and see what it sounded like. I dont know if anyone has done this on a 128i and I've done a bunch of research on the e90post site and listened to a bunch of clips of 328i's and I liked it. The only issue of course would be drone, but hell I'm willing to test it out. Just wanted to see if anyone had any thoughts. And for sure if I go tomorrow I'll post pics and video.
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      04-30-2009, 10:42 PM   #2
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i have it done on my 128i! im reverting back to OEM because i think it will be hard to get a service without them voiding my warranty. As well it lacks low end power because back pressure is lost.. i'll post a video tomorrow.
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      04-30-2009, 11:18 PM   #3
blaze144
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I was wondering if it would affect the backpressure or not. I didnt know if this would matter because its a N/A engine. 1intense, did you not like the exhaust note? or was it pretty loud? I'll check your video out tomorrow to decide if i'm actually gonna do it or not. Prob still will do it though... ha
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      05-01-2009, 07:26 AM   #4
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it actually sounds amazing. but the lack of back pressure is really bothering me.
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      05-01-2009, 09:55 AM   #5
axoid
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http://www.uucmotorwerks.com/html_pr...torquemyth.htm
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Bill [92 Camaro RS (Autocross ESP / Trackrat) | 09 BMW 128i Sport Package]
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      05-01-2009, 06:06 PM   #6
blaze144
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ok so I didn't get to go today but I've got an appointment tomorrow. If the backpressure isn't an issue then I'm excited to hear how it sounds. I'll try to get pics and video up tomorrow
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      05-03-2009, 11:17 PM   #7
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Wouldn't this be similar to the Berk Technology rear section, albeit more crude?
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      05-25-2009, 04:31 PM   #8
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Quote:
Originally Posted by blaze144 View Post
ok so I didn't get to go today but I've got an appointment tomorrow. If the backpressure isn't an issue then I'm excited to hear how it sounds. I'll try to get pics and video up tomorrow
update plz
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      06-11-2009, 09:03 AM   #9
blaze144
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Sorry for the long delay as i have been out of the country for a while. But I had some probs with the exhaust shop that i was going to go to. Anyone know of any good exhaust shops in the Birmingham, AL area. I am dying to get this done so i can post some pics/reviews...
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      06-11-2009, 10:02 AM   #10
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Quote:
Originally Posted by 1ntense_Rocket View Post
i have it done on my 128i! im reverting back to OEM because i think it will be hard to get a service without them voiding my warranty. As well it lacks low end power because back pressure is lost.. i'll post a video tomorrow.
so....
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      06-12-2009, 12:50 AM   #11
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I did mine today.... you just get what you paid for.....
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      06-12-2009, 01:12 AM   #12
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so you are running without a muffler and not a replacement muffler?
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      06-12-2009, 01:32 AM   #13
e82vette
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Quote:
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so you are running without a muffler and not a replacement muffler?

no muffler...just a pipe
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      06-12-2009, 01:34 AM   #14
shadowiix
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did you get tips? do you like it at least?
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      06-12-2009, 02:33 AM   #15
e82vette
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Quote:
Originally Posted by shadowiix View Post
did you get tips? do you like it at least?
yeah, I have descent looking one from silverline...local shop had it
so far....yeah I like it..... but I need my friend drive it for me...
so I can hear it pass by.... just hoping the sound doesnt ricey....
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      06-12-2009, 01:59 PM   #16
e82vette
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here is the tips I bought
Attached Images
  
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      06-14-2009, 03:33 PM   #17
shadowiix
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looks close to the stock ones but alot better
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      07-01-2009, 05:07 PM   #18
e82vette
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is it me.. or am i getting used to 230hp..
car doesnt pull hard now....or did it????
lol, like someone above mentioned... could it be the loss of back pressure?????
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      07-06-2009, 08:19 AM   #19
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Can somebody post a sound clip/video to youtube?
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      07-10-2009, 08:54 PM   #20
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its definately back pressure problem.. i had it done.. i had to put my muffler back on.. i couldnt stand it.
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      07-12-2009, 02:50 PM   #21
e82vette
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Quote:
Originally Posted by 1ntense_Rocket View Post
its definately back pressure problem.. i had it done.. i had to put my muffler back on.. i couldnt stand it.
torq was restored after the muffler back on?
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      07-12-2009, 05:07 PM   #22
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This has got to sound awful. Why would you go out and spend the money to buy a nice car, and then hack the muffler off of it like it's a '92 Civic? Come on guys!
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