Thread: S-Pipe for Z4M
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      11-23-2012, 08:03 PM   #14
mfanatic325
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Drives: '01 911 Turbo
Join Date: Oct 2007
Location: Cupertino, CA.

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Quote:
Originally Posted by inTgr8r View Post
How do you find the rasp now?
I'm doing headers in the spring & that's my one concern.
I don't mind a bit of drone, but I hate rasp.
With the OE section1 back in, the car quieted down quite a bit; very noticeable difference. And there was approximately a 30% reduction in rasp
I recall that when I had everything free-flowing, I registered a maximum of 106dB @ the track, blowing by the sound check hut on purpose
Quote:
Originally Posted by Krypptic View Post
Do you have a clip of how your car sounded? I have tried listening to videos on you tube to see how it will sound but only found one z4m fully catless, and it sounded great. Thing is, it didn't mention if resonators were used.
I'll try to find a vid and post it up here. Look for an edit soon.

edit: can you view this vid? If so, just listen for the cold startup at the very beginning, and then if you can, skip to the end for a 1st gear redline through a small underpass (at 7:13 to be exact):
https://www.facebook.com/photo.php?v=10150965087107856

Also, from a huge "Exhaust 'Fest" we had locally, here is a compilation of many different setups. In the following video, my car's recordings can be found at 1:16 (startup + mid-rpm revs), 6:00 (soft pull), and 8:16 (hard pull).
http://www.youtube.com/watch?feature...&v=Ar78IVHcbRs


In both videos linked above, my setups were the same:
- JVT/"eBay" headers (a.k.a. SuperSprint v1 knock-offs)
- OE section1
- SuperSprint unresonated X-pipe
- SuperSprint race muffler cannisters

Hope this helps!

Last edited by mfanatic325; 11-23-2012 at 09:09 PM..
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