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      12-09-2012, 03:31 PM   #10
Dackelone
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Drives: N54 e82
Join Date: Feb 2010
Location: Bayern, Germany

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Quote:
Originally Posted by ///1M View Post
So there may be two sources of drone, is that correct?

1.) the midpipe has a dummy resonator, and

2.) the section that is immediately upstream of the midpipe has a dummy resonator?

Thanks!

No. I am talking about the resonator on the factory 1M mid pipe. While it looks real... when you cut it open... the pipe inside of it, goes straight thru the resonator (can) box.

Name:  n55 mid pipe241186_x600.jpg
Views: 9267
Size:  94.9 KB

Normally for the resonator to work... this pipe would have a bunch of holes drilled into it to the resonator packed with fiber and steel wool would quiet the sound. This pipe just goes straight thru on a 1M. When the "guy" cut his resonator open.... it just went straight thru - no holes or nothing.

For visuals... here is a factory N55 mid pipe (no cats - but still has the resonator just before the Y pipe) vs the factory N54 mid pipe with cars. The 1M uses a very similar mid pipe (to the N54) just that the 1M has the straight thru pipe inside of the resonator.

Name:  N55_mid_pipes_vs_N54_Midpipe-1-L.jpg
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Size:  92.0 KB


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