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Third port for exhaust tip on factory muffler behind rotary symbol?

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Old 10-24-2005 | 11:00 AM
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Third port for exhaust tip on factory muffler behind rotary symbol?

Have any of you seen that extra welded piece on the factory muffler in the spot where the rotary symbol is on the bumper? Seems like someone welded that piece/ cap there as an extra effort. Anyone have a take on this? Was this for a 3rd exhaust tip option that never made it to the general public? Or is it an option in Japan? Am I crazy?
Old 10-24-2005 | 11:09 AM
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No, it was just a custom job someone did that. it eliminates the the actual factory exhaust on the sides. its just a single pipe to the middle with a custom shape outlet.
Old 10-24-2005 | 11:11 AM
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I think he / she is asking why that cap is on the stock exhaust, I do not know.
Attached Thumbnails Third port for exhaust tip on factory muffler behind rotary symbol?-dcp_2431.jpg  

Last edited by expo1; 10-24-2005 at 05:00 PM.
Old 10-24-2005 | 11:25 AM
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my guess is it was cheaper for mazda to build a can...cut/drill a hole in it...and insert the sound deadening material connected to a metal cap...then weld the cap

than

creating the sound deadening material and then carefully finishing the can and closing it

a guess but I've done metalsmithing work before and to save time I would have done the same thing :D, especially with something that is out of site to almost everyone
Old 10-24-2005 | 11:41 AM
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Originally Posted by expo1
I think he is asking why that cap is on the stock exhaust, I do not know.
ohhhh ok. but does any one have a picture of that custom center exhaust?
Old 10-24-2005 | 11:51 AM
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the custom center exhaust is a poor idea unless you really open up the area

you need air space from the bumper or it will melt very quickly
Old 10-24-2005 | 11:55 AM
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yeah. i dont remember who did it but they did and they said it had better flow than most.
Old 10-24-2005 | 12:06 PM
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Originally Posted by expo1
I think he is asking why that cap is on the stock exhaust, I do not know.
By the way, that is the coolest light i have ever seen.
Old 10-24-2005 | 12:13 PM
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Originally Posted by mike1324a
By the way, that is the coolest light i have ever seen.
It's about the only thing you can do with an extra OEM exhaust.

https://www.rx8club.com/rx-8-discussion-3/uses-extra-exhaust-60296/
Old 10-24-2005 | 03:28 PM
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Expo, that seems like a pretty good answer.

Just seems strange that it is in that location. Looking forward to taking that out!!

BTW he is a she.
Old 10-24-2005 | 04:58 PM
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Originally Posted by expo1
I think he is asking why that cap is on the stock exhaust, I do not know.
I thought that was where the muffler grease went??
Old 10-24-2005 | 04:58 PM
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ohhh sorry. we dont typically have a lot of girls here.
Old 10-24-2005 | 05:06 PM
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Originally Posted by Mantis
BTW he is a she.
Based on your gender, name & Avatar should we avoid asking you out on a date?

"The female praying mantis widely known for her particular habit of biting the head off her partner while they are mating."


Last edited by expo1; 10-24-2005 at 06:15 PM.
Old 10-24-2005 | 05:49 PM
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Originally Posted by expo1
Based on your gender, name & Avatar should avoid asking you out on a date?

"The female praying mantis widely known for her particular habit of biting the head off her partner while they are mating."







.
Old 10-25-2005 | 07:55 AM
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Good screen name huh. That mantis ate your baby!! :P
Old 10-25-2005 | 12:44 PM
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could it be for sound tuning? i have seen extra short tube on some aftermarket exhausts for that purpose.
Old 10-25-2005 | 01:11 PM
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Not.....

If you check the location, you will see it is the "other end" of the input tubing - probably stabs right thru the muffler like that for strength, then welded in place at BOTH ends.

The inlet has holes along it's sides for the gasses. If you removed the cap, you would have a direct "no muffler" outlet, very loud and nasty.

S
Old 10-25-2005 | 01:48 PM
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aha
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