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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 > Do I need an exhaust?



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      11-18-2009, 09:24 PM   #1
LostMarine
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Do I need an exhaust?

I have every bolt on now, other than midpipes back. I love the sound of my exhaust as it is. which is slightly more throaty and louder than factory. Am I hurting anything by not swapping it? I really don't want to hear exhaust or DRONE when driving, i love that these cars are so well mannered.
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      11-18-2009, 09:29 PM   #2
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you really dont need exhaust they barley do a thing anyway
your fine
if anythin get rid of the 2nd cats
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      11-18-2009, 09:31 PM   #3
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isnt that the "drone" culprit though..?
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      11-18-2009, 09:31 PM   #4
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save your money for a real mod, LSD
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      11-18-2009, 09:31 PM   #5
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so then replace it with a resonator
and any way i doubt the done will be that bad
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      11-18-2009, 09:41 PM   #6
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Quote:
Originally Posted by MteK View Post
save your money for a real mod, LSD
thats last on my list.. oh wait.. im at the end of my list.. hhmmmm..
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      11-18-2009, 09:50 PM   #7
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Quote:
Originally Posted by LostMarine View Post
thats last on my list.. oh wait.. im at the end of my list.. hhmmmm..
what is ur list anyway? maybe i can help u out on what to get next lol
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      11-18-2009, 09:55 PM   #8
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performance list?

1.LSD
2.Turbo Upgrade

i got everything else..
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      11-18-2009, 09:57 PM   #9
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Quote:
Originally Posted by LostMarine View Post
performance list?

1.LSD
2.Turbo Upgrade

i got everything else..
so u got meth?
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      11-18-2009, 10:11 PM   #10
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Quote:
Originally Posted by 335i82108 View Post
so u got meth?
soon!
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      11-18-2009, 10:14 PM   #11
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so heres ur new list
1. drag radials
2. meth
3 lsd
4.turbo
5. intake mani
5 maybe nitrous?
hows that list lol
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      11-18-2009, 10:14 PM   #12
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Quote:
Originally Posted by 335i82108 View Post
so u got meth?
don't want it
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      11-18-2009, 10:17 PM   #13
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i would say get rid of your secondary cats, maybe good for another 10hp or so and faster spool.
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      11-18-2009, 10:18 PM   #14
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Quote:
Originally Posted by LostMarine View Post
don't want it
Reason being? I mean you have all the bolt ons, why not have race gas for cheap a cheap price of methanol injection to furthur increase performance of all those mods you already have..I don't have every bolt on (FMIC, DPs) and I can say the gains are astronomical....Can't wait to get some Dps...Meth trumps the FMIC for me I would say though..
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      11-18-2009, 10:29 PM   #15
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i guess i kinda consider it cheating.. not always there..
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      11-18-2009, 11:06 PM   #16
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Quote:
Originally Posted by LostMarine View Post
i guess i kinda consider it cheating.. not always there..
cheating?
how?
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      11-19-2009, 12:37 AM   #17
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what are drag radials and what gains you think can be seen with an intake manifold?
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      11-19-2009, 09:20 PM   #18
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Quote:
Originally Posted by john boxter View Post
what are drag radials and what gains you think can be seen with an intake manifold?
lol bro did u just say what is drag radials?
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      11-19-2009, 10:41 PM   #19
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Quote:
Originally Posted by Donald-335i View Post
lol bro did u just say what is drag radials?
Guess he is not familar with the track.. or any sort of real racing
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      11-19-2009, 11:31 PM   #20
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Quote:
Originally Posted by SECOND2NONE View Post
Guess he is not familar with the track.. or any sort of real racing
he's trolling
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      11-19-2009, 11:49 PM   #21
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if your doing all the other bolt on's i'd say to do a full exhaust!!
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      11-20-2009, 03:34 AM   #22
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Quote:
Originally Posted by LostMarine View Post
i guess i kinda consider it cheating.. not always there..
Meth is just like running rase gas on a cold night. If you go upgraded turbos to make the real power your gonna need meth, almost all FI cars use it to fight back detonation just like race gas does. So I don't see it as cheating more of added insurance for your motor. So if you use race gas you are already cheating, just go with something cheaper your motor will thank you for it.
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