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BMW 3-Series (E90 E92) Forum > E90 / E92 / E93 3-series Powertrain and Drivetrain Discussions > N55 Turbo Engine Tuning and Exhaust Modifications - 335i Tuning > n55 Exhaust mods



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      07-09-2010, 12:32 PM   #23
RyanMv4
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Yeah thats what I figured im gunna get them hacked off and replaced with straight pipes, will cutting them out throw any codes ?
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      07-09-2010, 02:22 PM   #24
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.... No.... It shouldn't, I don't see any O2 sensors hooked up, based on your pics... If you don't physically see anything hooked up to them yourself, then don't worry about codes... Now, if you do emission testing, and the place you go hooks up a sniffer, then you may have something to worry about, but, IDK how things are handled in PA, do they just go thru your ODB port? or do they place a sniffer on your exhaust?
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      07-09-2010, 03:14 PM   #25
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Quote:
Originally Posted by Army335xi View Post
.... No.... It shouldn't, I don't see any O2 sensors hooked up, based on your pics... If you don't physically see anything hooked up to them yourself, then don't worry about codes... Now, if you do emission testing, and the place you go hooks up a sniffer, then you may have something to worry about, but, IDK how things are handled in PA, do they just go thru your ODB port? or do they place a sniffer on your exhaust?
The emissions doesnt bother me ill be fine there i was jw about throwing any codes but theres no O2 sensors like you said so Ill be good to go
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      07-09-2010, 03:36 PM   #26
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It'll def. make your exhaust sound a little louder, but I guess the main (big) bottleneck that we are going to have with the N55, much like the N54 is the main Cat on the downpipe... You 335 guys will probably have an aftermarket DP from AR or someone else in no time at all, but me with an X5, probably won't have any options when it comes to an aftermarket dp...
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      07-09-2010, 03:59 PM   #27
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Quote:
Originally Posted by Army335xi View Post
It'll def. make your exhaust sound a little louder, but I guess the main (big) bottleneck that we are going to have with the N55, much like the N54 is the main Cat on the downpipe... You 335 guys will probably have an aftermarket DP from AR or someone else in no time at all, but me with an X5, probably won't have any options when it comes to an aftermarket dp...
Bring me an X5....
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      07-09-2010, 07:45 PM   #28
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Bring me an X5....
LOL, only a 1900 mile drive... How long (how many days) would you need to do your stuff? And how much would it cost me? Being the guinea pig...
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      07-15-2010, 04:15 PM   #29
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Just got back from removing my H-pipe and installed straight pipes on my n55 e90. Definitely gargles more you can tell the difference between 1500-2000 rpms. Higher rpms not so much.I'll try to get a video and pics of it tomorrow.
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      07-15-2010, 05:00 PM   #30
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Quote:
Originally Posted by Army335xi View Post
LOL, only a 1900 mile drive... How long (how many days) would you need to do your stuff? And how much would it cost me? Being the guinea pig...
1.5-2 weeks. Cost to you: zero.
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      07-15-2010, 05:32 PM   #31
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Originally Posted by Aw_335i View Post
Just got back from removing my H-pipe and installed straight pipes on my n55 e90. Definitely gargles more you can tell the difference between 1500-2000 rpms. Higher rpms not so much.I'll try to get a video and pics of it tomorrow.

Nice i have an appointment monday to remove the h pipe and two cats so i cant wait to hear that vid !
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      09-20-2010, 06:33 PM   #32
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does anybody know eisemann exhaust for N54 fit on 2011 335xi coupe(N55)???

I called eisemann today and they said they haven't test fit on N55yet.
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      09-20-2010, 06:36 PM   #33
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Quote:
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does anybody know eisemann exhaust for N54 fit on 2011 335xi coupe(N55)???

I called eisemann today and they said they haven't test fit on N55yet.
n54 and n55 use the same exhaust set up..

However the xi has cats. the 335i's don't
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      09-20-2010, 06:38 PM   #34
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Our downpipes will be out very soon - beta units already in the mail to testers!!!!
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      09-20-2010, 07:15 PM   #35
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Blah, did I miss out on beta??
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      09-20-2010, 07:36 PM   #36
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Quote:
Originally Posted by RyanMv4 View Post
Has anyone done any mods to the stock n55 exhausts yet such as muffler/resonator/cat deletes or any combination. I am thinking about going down that path and was wondering if anyone got into doing it yet
Yep. The Remus Race setup just came out for the 335... not sure if you want to go down that path... but... you asked...

I'm waiting for AR to ADD to this:
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      09-20-2010, 07:58 PM   #37
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Our downpipes will be out very soon - beta units already in the mail to testers!!!!



can't wait!!
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      09-21-2010, 03:54 PM   #38
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i have a muffler delete on my car and it sounds like sex!!!
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      09-21-2010, 04:00 PM   #39
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It sounded awesome but my cabin vibrated too much
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      02-07-2011, 03:13 AM   #40
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So n55 xi have catted exhaust? I think I'm going to throw one of those on my car cuz running fully catless smells pretty nasty lol.
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      02-07-2011, 06:16 AM   #41
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Quote:
Originally Posted by shockin330i View Post
So n55 xi have catted exhaust? I think I'm going to throw one of those on my car cuz running fully catless smells pretty nasty lol.

u can throw on N54 exhaust.
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      02-07-2011, 08:44 AM   #42
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u can throw on N54 exhaust.
Well I just need the front part. I don't need the center muffler or the rear. I wonder how different the cr will feel.
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      02-07-2011, 09:49 AM   #43
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i have a e90 and i have no resonators and no cats (since i run AR DP)
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