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X-pipe versus 2 inlet / 2 outlet Muffler

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Old 03-05-2008, 11:19 AM
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I have been looking over other posts but did not find an answer to may question.

I am going to have a custom quad exhaust put on my 530i tomorrow. Most people recommend using an x-pipe for low end torque. I am concerned about noise (I want quiet).

Rather than including the X-pipe upstream would a single dual inlet / dual outlet muffler provide the same benefit? Then I could add a circular muffler w/ "Y" tips on each side at the back.
Old 03-05-2008, 11:21 AM
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from the X-pipe down, connect use 2 resonators in the piping (will help the drone) for each side

X-pipe versus 2 inlet / 2 outlet Muffler-exhaust.jpg
Old 03-05-2008, 11:37 AM
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Originally Posted by alpinewhite' post='540179' date='Mar 5 2008, 12:21 PM
from the X-pipe down, connect use 2 resonators in the piping (will help the drone) for each side

Attachment 45430
love the illustration
Old 03-05-2008, 03:11 PM
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Originally Posted by Mike's 530i' post='540178' date='Mar 5 2008, 12:19 PM
I have been looking over other posts but did not find an answer to may question.

I am going to have a custom quad exhaust put on my 530i tomorrow. Most people recommend using an x-pipe for low end torque. I am concerned about noise (I want quiet).

Rather than including the X-pipe upstream would a single dual inlet / dual outlet muffler provide the same benefit? Then I could add a circular muffler w/ "Y" tips on each side at the back.
Yes, magnaflow has such a muffler which will fit in place of the single "Y" resonator on a 530. That muffler does incorporate a internal "X" pipe. While Magnaflow will not quote flow rate, they claim it's good for 400 HP. I intend to use this muffler with dual 12" resonators out back, if I think the sound is to aggressive. Post how yours works out, I won't be doing mine for serveral weeks.
Old 03-05-2008, 03:39 PM
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Originally Posted by delje08' post='540192' date='Mar 5 2008, 12:37 PM
love the illustration
+1
Old 03-05-2008, 08:24 PM
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Originally Posted by alpinewhite' post='540179' date='Mar 5 2008, 12:21 PM
from the X-pipe down, connect use 2 resonators in the piping (will help the drone) for each side

Attachment 45430
LOL...nice pic...this is I'm going to probably do.
Old 03-05-2008, 09:28 PM
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Don't do it. j/k
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