E90Post
 


European Auto Source
 
BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N54 Turbo Engine / Drivetrain / Exhaust Modifications - 335i > Removed Rear Muffler



Reply
 
Thread Tools Search this Thread
      09-23-2009, 11:32 AM   #1
6spdMSport
Private
 
6spdMSport's Avatar
 
Drives: Jet Black 135i Sport/USB/iPod
Join Date: Aug 2009
Location: 727

Posts: 94
iTrader: (-2)

Removed Rear Muffler

Well yesterday when i had the car up on the lift doing the suspension, i though i should try taking the muffler off to see how it went(either way i had to in order to get the left shock bolt out). I put the car down from the lift and i went around the block and i love my new suspension, but then when i got on the gas the car with the muffler off felt like a new beast, its not even loud. The day before that i had put in the BMS DCI and the BMS JB3 with the 1.4Beta and it was a monster. Taking the muffler off really woke the car up even more. What are the negatives of this ?
__________________
09 Jet Black 135i /// M-Sport

BMS DCI /// JB3 2.0 /// AA Chargepipe & BOV /// AA FMIC /// VK Downpipes /// H&R Super-Sports /// SpunTek Custom Piping/// Miami Muffler Custom Cat-Back(Straight Pipe)/// BMS CDV/// Carbon Fiber Grills/// DEFI Boost Gauge
6spdMSport is offline  
0
Reply With Quote
      09-25-2009, 07:37 AM   #2
OM3G@
Private
 
OM3G@'s Avatar
 
Drives: '09 AW 335i sedan
Join Date: Jun 2009
Location: O'Fallon, IL

Posts: 88
iTrader: (0)

I don't know about adverse effects but I would like to see some pics and hear some sound clips if possible.
__________________

'09 AW e90 335i w/steering wheel, gas pedal, seatbelts, windshield, and much more!
OM3G@ is offline   United_States
0
Reply With Quote
      09-25-2009, 08:02 AM   #3
spedgm
New Member
 
Drives: 08 E92 BMW 335I
Join Date: Nov 2008
Location: Germany

Posts: 5
iTrader: (0)

Garage List
2008 E92 335i  [0.00]
+1 man ive been thinking about doing this out of pure curiousity.
__________________
08' E92 335i, montego blue, sport pkg, navi, logic 7, CF trim, BMW Perf wheel, SSK, anthrecite head liner. Soon to come: VRS csl deck lid&hood, CF roof w/ sun roof, M6 or CLS time attacks, black trim.
spedgm is offline   Germany
0
Reply With Quote
      09-25-2009, 08:33 AM   #4
marconi118
Captain
 
Drives: 06/07 e93 335i
Join Date: Nov 2008
Location: europe

Posts: 938
iTrader: (0)

E92 or E90 ?
E90/91 has intermediate resonator that dims the sound
marconi118 is offline  
0
Reply With Quote
      09-25-2009, 09:22 AM   #5
JayKay335i
Banned
 
Drives: ///M323 DCT
Join Date: Apr 2009
Location: North Dakota; its best DUHHHHHH

Posts: 5,047
iTrader: (1)

Those things are HEAVY!
JayKay335i is offline   Egypt
0
Reply With Quote
      09-25-2009, 10:05 AM   #6
CubanJJ09
Banned
 
Drives: like an asshole
Join Date: Feb 2008
Location: Chicago Burbs

Posts: 12,692
iTrader: (2)

Garage List
2007 BMW 335i  [3.09]
Send a message via AIM to CubanJJ09
drone was my problem when i took it off of my 335. other than that nothing. unless its so loud u attract po po
CubanJJ09 is offline   United_States
0
Reply With Quote
      09-25-2009, 10:16 AM   #7
tinnsoldaten
Captain
 
tinnsoldaten's Avatar
 
Drives: e92 335i coupe
Join Date: Dec 2008
Location: Bergen

Posts: 659
iTrader: (1)

I replaced all my exhaust parts with stainless , RR catted DPs , RR mid pipes (rear cat delete) , supersprint x-section and Remus quad mufflers ...

When making the supersprint ready for fitting I also drove a bit without anything from midpipes and midpipes and x-section with out anything else but pipes ... sound horrible with just the midpipes , to noisy and loss of torque , with the x-section added it was a different story less tractor sound and quite fun to drive you feel it at the end of the RPM really strong. But now I got it all fitted , the remus quads have a nice 60% less backpressure on exhaust and you need some of that to get that low RPM torque .
tinnsoldaten is offline   Norway
0
Reply With Quote
      09-25-2009, 12:31 PM   #8
luca335i
Major
 
luca335i's Avatar
 
Drives: 335I Sedan
Join Date: Jan 2008
Location: Unknown

Posts: 1,193
iTrader: (3)

There is no loss of torque with a straight pipe with the n54
__________________
luca335i is offline  
0
Reply With Quote
      09-25-2009, 12:45 PM   #9
midlife
ocasionally in crisis
 
midlife's Avatar
 
Drives: '08 335i cabrio
Join Date: Jun 2007
Location: ..........

Posts: 2,359
iTrader: (0)

OP you had put the JB3 in only a day earlier - it is probably still adapting hence the huge performance difference.
__________________
If your car isn't scary - it's just not fast enough !
RPI IC / UR catless DPs / JB3 2.0 beta / UR CAI / Quaife LSD / Snow Methanol Injection / VK oil cooler upgrade / Forge DVs /
M3 rear sway / Riss catch can / Paddle shifting 6AT / M Sport steering wheel / Logic 7 / Dunlop Direzza Z1 255/235 /
midlife is offline  
0
Reply With Quote
      09-25-2009, 12:52 PM   #10
Jon335iFL
Brigadier General
 
Jon335iFL's Avatar
 
Drives: This----------->
Join Date: Feb 2009
Location: Jrz :)

Posts: 4,831
iTrader: (14)

Quote:
Originally Posted by CubanJJ09 View Post
drone was my problem when i took it off of my 335. other than that nothing. unless its so loud u attract po po
Yes the police are a problem i got pulled over on i95 and i know it was because of my exhaust .....maybe the montego "pull me over" blue didnt help lol.I thought my car was a freak when i cut the muffs off but i think its the sound that makes the driving experience more fun.My uncle just cut his mufflers off a C6 ls2 and we lost like 3whp but the car feels faster lol.
__________________


.
Jon335iFL is offline  
0
Reply With Quote
      09-25-2009, 12:55 PM   #11
CubanJJ09
Banned
 
Drives: like an asshole
Join Date: Feb 2008
Location: Chicago Burbs

Posts: 12,692
iTrader: (2)

Garage List
2007 BMW 335i  [3.09]
Send a message via AIM to CubanJJ09
Quote:
Originally Posted by Jon335iFL View Post
Yes the police are a problem i got pulled over on i95 and i know it was because of my exhaust .....maybe the montego "pull me over" blue didnt help lol.I thought my car was a freak when i cut the muffs off but i think its the sound that makes the driving experience more fun.My uncle just cut his mufflers off a C6 ls2 and we lost like 3whp but the car feels faster lol.
the 335i without the mufflers is fun. i can see that for a track day but def. not all the time. and that ls2 must have made u bleed from the ears
CubanJJ09 is offline   United_States
0
Reply With Quote
Reply

Bookmarks

Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump


All times are GMT -5. The time now is 05:32 PM.




e90post
Powered by vBulletin® Version 3.7.0
Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
1Addicts.com, BIMMERPOST.com, E90Post.com, F30Post.com, M3Post.com, ZPost.com, 5Post.com, 6Post.com, 7Post.com, XBimmers.com logo and trademark are properties of BIMMERPOST