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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 > Shop says I cannot have a true dual exhaust?



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      01-02-2015, 05:51 AM   #23
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I guess try going with a non baffled back box.
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      01-02-2015, 12:17 PM   #24
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Quote:
Originally Posted by essex_lad View Post
I guess try going with a non baffled back box.
I've never heard of this before, what does this mean?
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      01-02-2015, 12:31 PM   #25
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Quote:
Originally Posted by xquisit View Post
I've never heard of this before, what does this mean?
basically straight through exhaust. personally i like dynomax, had it on 240z stright 6, sounds very classy. magnaflow sounded too deep for my liking.
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      01-02-2015, 12:44 PM   #26
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Quote:
Originally Posted by jc5988 View Post
basically straight through exhaust. personally i like dynomax, had it on 240z stright 6, sounds very classy. magnaflow sounded too deep for my liking.
God bless you, a review from a N51 member!


I wonder if someone can help me find the part # for the exhaust I am looking for.
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      01-02-2015, 03:52 PM   #27
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Just get a non baffle back box and you will be fine.
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      01-02-2015, 04:18 PM   #28
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Quote:
Originally Posted by essex_lad View Post
Just get a non baffle back box and you will be fine.
I don't know what that is my brother, can you please link me?

Is it like the other member stated, a straight pipe exhausts?
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      01-02-2015, 05:51 PM   #29
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a straight pipe has no muffler at all and may drone. the exhaust places will do non baffled boxes.
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      01-03-2015, 04:41 PM   #30
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Quote:
Originally Posted by essex_lad View Post
a straight pipe has no muffler at all and may drone. the exhaust places will do non baffled boxes.
Why dont I do a resonator delete and put my muffler in place of it, then have someone relocate my evaporator canister and install 335i undercarriage parts, followed by the y set up?


Is this doable for under $1,300 including the m bumper painted?
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      01-03-2015, 07:18 PM   #31
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By the time you pay for the 335 box then someone to customize your system so it will fit then all the other stuff I would have thought no.
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      01-03-2015, 07:24 PM   #32
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Cheapest option and have more noise is to bin the back box and just have the 90 degree bend exhaust done. Save your self some money and it still raleaves some back pressure.
If it drones you still have enough money to add a non baffled or fast flow back box.
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      01-03-2015, 11:45 PM   #33
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Quote:
Originally Posted by essex_lad View Post
Cheapest option and have more noise is to bin the back box and just have the 90 degree bend exhaust done. Save your self some money and it still raleaves some back pressure.
If it drones you still have enough money to add a non baffled or fast flow back box.

By addint a fast flow back box you mean a muffler?

If so what would sound more nice: a muffler delete or a muffler (like magnaflow or another company recommended)?


What's this I hear about people using AFE mid sections of the piping?
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      01-04-2015, 04:57 AM   #34
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I'm not sure about that to be honest. Yer I mean muffler when I say back box, we have slightly different terms for things in the u.k. I think having a fast flow muffler is a better option but you don't exactly need to go for magnaflow etc as you are just really paying for the name when it comes to using just a muffler. The exhaust shops will have fast flow mufflers in stock and they Will be a better way of stopping any drone.
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      01-04-2015, 10:59 AM   #35
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You are so cool, because you always respond to my posts. God bless
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