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{ FS } RX8 3" agency power cat back with Midpipe and vibrant ultra quiet fs

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Old Apr 14, 2026 | 08:07 AM
  #1  
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From: Louisville ky
KY RX8 3" agency power cat back with Midpipe and vibrant ultra quiet fs

Category: Accessories
Price: $600
Private or Vendor Listing: Private Listing
Location (US State/Canada/Int): KY
Item Condition: Used





Louisville ky 40213



Last edited by Atli126; Apr 14, 2026 at 02:34 PM.
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Old Apr 14, 2026 | 08:10 AM
  #2  
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From: BALLS DEEP
fyi before a mod locks this thread, all f/s ads require a price per forum rules
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Old Apr 14, 2026 | 11:31 AM
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600 plus shipping via fedex and I get a great discount on shipping

Last edited by Atli126; Apr 14, 2026 at 11:33 AM.
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Old Apr 18, 2026 | 09:36 AM
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Open to offers. This is a full 3 inch back
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Old Apr 18, 2026 | 05:18 PM
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Not interested... Just wanted to contribute by saying while the AP is known for being a little obnoxious, the Vibrant ultraquiet resonator is a nice addition to the kit and should tame it down in a very nice way. I dont know the OP, just giving an option for anyone who might be on the fence.
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Old May 1, 2026 | 11:45 PM
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Interested

Hello OP, is this still fs? What year is this for and how much is shipping to 61704?
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Old May 3, 2026 | 02:44 AM
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Originally Posted by Jakielopez
Hello OP, is this still fs? What year is this for and how much is shipping to 61704?

Yes hi. It's still for sale. My number is 5oh2 3eight9 1845. Please shoot me a text and we can go over the details of shipping.

Thanks,
Bret

Last edited by Atli126; May 3, 2026 at 03:28 AM.
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Old May 3, 2026 | 03:26 AM
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Thumbs down

*Mod edit*

can we kill this spammer acct wtf
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Old May 3, 2026 | 05:15 AM
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Thanks for reporting that post.
Spammer has been banned, now back to our regularly scheduled programming
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Old May 4, 2026 | 10:26 PM
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Originally Posted by Jakielopez
Hello OP, is this still fs? What year is this for and how much is shipping to 61704?
Mod edit.
Spammer banned
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Old May 5, 2026 | 12:52 AM
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Originally Posted by Alti126
@Jakielopez hey man it’s still available, give me a text .....
This is spam/scam account again, reported
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Old May 5, 2026 | 04:33 AM
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Ttt open to offers and can ship on the cheap or meet up depending on where you are.

Thanks,
Bret
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Old May 5, 2026 | 07:15 AM
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You sure thats an agency power muffler? Looks more like the TurboXS, but i guess things could have changed over the years.

As far as I know this is the agency power with the inline mufflers



And this is the TurboXS with the crossflow mufflers
TurboXS RX8-CBE Cat-Back Exhaust for 2004-2011 Mazda RX-8 1.3L RWD - Picture 2 of 6

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Old May 6, 2026 | 12:33 PM
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Old May 6, 2026 | 12:34 PM
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Originally Posted by MincVinyl
You sure thats an agency power muffler? Looks more like the TurboXS, but i guess things could have changed over the years.

As far as I know this is the agency power with the inline mufflers



And this is the TurboXS with the crossflow mufflers
TurboXS RX8-CBE Cat-Back Exhaust for 2004-2011 Mazda RX-8 1.3L RWD - Picture 2 of 6
that's just what I was told when I bought it but let me go double check and look I'll try to get some better pictures
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Old May 6, 2026 | 12:37 PM
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Old May 6, 2026 | 12:38 PM
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both the turbo xs and the ap should have their name on the outside of eacr exhaust tip. my ap is blue on the tips like pictured in this thread but think the turbo xs is just polished/chrome.

also to note unless it changed over the years i believe the xs tips are much thicker than the ap. one of the mounting flanges is also different on the xs, i think its the midpipe section

hope this helps
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Old May 6, 2026 | 12:40 PM
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From: Louisville ky





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Old May 6, 2026 | 01:44 PM
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This looks like the TurboXS catback upon further inspection, however these dont have the TurboXS brand name on the muffler bodies which I find interesting. Its possible that some early versions possibly didnt have that? I'm not completely sure.I have this exact setup pretty much on my car, I dont have a good/helpful sound clip I can share because my exhaust gets further muffled by my turbo (and I'm also not sure if having my vibrant ultraquiet resonator further back on the midpipe would change the resonance or tone further.
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Old May 7, 2026 | 01:45 PM
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Originally Posted by Ricky SE3P
This looks like the TurboXS catback upon further inspection, however these dont have the TurboXS brand name on the muffler bodies which I find interesting. Its possible that some early versions possibly didnt have that? I'm not completely sure.I have this exact setup pretty much on my car, I dont have a good/helpful sound clip I can share because my exhaust gets further muffled by my turbo (and I'm also not sure if having my vibrant ultraquiet resonator further back on the midpipe would change the resonance or tone further.
I think it may be the case because my turboXS doesnt have any logos or anything on it as far as I have seen.

My favorite NA Rx8 setup was the racingbeat dual resonated midpipe and the TurboXS muffler. It was probably just at the cusp where it was loud without drone. However when I put the greddy turbo on it, there is basically no noise because of the stupidly restrictive turbo.

I did just buy a new TurboXS for my REW build so I will know soon enough how their latest ones were made when I open the box. Ill get to test my REW with an 8474 RB Dual RES midpipe with the TurboXS muffler.

Last edited by MincVinyl; May 7, 2026 at 01:48 PM.
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Old May 16, 2026 | 06:11 PM
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Anyone interested in buying this?
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Old May 17, 2026 | 11:47 AM
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For most sales through this forum youll need to be patient, this site is unfortunately mostly dead compared to the activity it saw 10-15 years ago and most people here are either broke, already have their cars built, or some combination of the two.
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Old May 17, 2026 | 09:21 PM
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Yeah what he said… unfortunately!
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Old May 22, 2026 | 11:17 AM
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Originally Posted by Monstermills
Yeah what he said… unfortunately!
yes I'll go to fb marketplace and sell it locally. But I do appreciate everybody here helping me figure out exactly what it is
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