AT Muffler on the MT Y-pipe is AWESOME

Mugzilla

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I had the Stillen street exhaust. Sold it. (and that's all I've got to say about that.)

I picked up the AT muffler and AT Y-Pipe from @TheMarkedOne a few weekends ago. PRO TIP: if you pick up a muffler and the Y-pipe with your Z, take a moving blanket to wrap the y-pipe. They DO fit in the back!

MT Exhaust:
- Y-pipe with NO resonators
- Muffler the size of a full-size keg

AT Exhaust
- Y-pipe with two resonators.
- Small muffler

I WAS going to do a Pepsi challenge, and try both the AT and MT Y-pipe. After slapping the MT Y-pipe and AT muffler in, and firing her up... PERFECTION. Not going to put the AT Y-pipe in. Will keep it, as someday I might do the muffler delete.

Only pic I have of the exhaust... the AT Y-pipe:

Screenshot 2025-06-07 154920.jpg
 

AlanZ

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I totally agree. I feel like Nissan should have done this from the start. I feel like it’s perfect.
 

Meg_Z

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I swapped the AT muffler and kept the MT Y pipes, I didn’t like the sound and swapped them back. Once I find AT Y pipes with resonators I will swap them both and see if I like it then.
 

NocturnalEmber

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There’s got to be members here who upgraded their auto mufflers to aftermarket exhausts.
The only ones I've seen online (ebay) are being sold by two wrecking companies, i.e. horribly overpriced. I thought about making a WTB ad here but I didn't think it would get much traction.
 

Meg_Z

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The only ones I've seen online (ebay) are being sold by two wrecking companies, i.e. horribly overpriced. I thought about making a WTB ad here but I didn't think it would get much traction.
Yeah I’ve seen those too, make an offer the only thing they can say is no. Sooner or later they will drop their ridiculous asking price!
 

NocturnalEmber

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Yeah I’ve seen those too, make an offer the only thing they can say is no. Sooner or later they will drop their ridiculous asking price!
I've passed on that because its like 500 for the pipe and 300 shipping, I doubt they'd bend in the least. Especially since the way they have it phrased is like they think it's a unique part to a nismo Z, when its just an auto muffler.
 
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Mugzilla

Mugzilla

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@Thefunk in Long Island had one for sale a few weeks ago.

You might have to sweet talk him re: shipping.

I have the AT resonated y-pipes, but I'm not selling them. I might try them with the muffler delete kit.
 

Meg_Z

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@Thefunk in Long Island had one for sale a few weeks ago.

You might have to sweet talk him re: shipping.

I have the AT resonated y-pipes, but I'm not selling them. I might try them with the muffler delete kit.
I will wait it out one will show up eventually. One thing for certain I’m not going to be paying ridiculously high price for it. Push come to shove I will find totaled Z in a salvage yard and go there.
 

NocturnalEmber

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I'm debating on just getting a muffler delete kit. The 370z ones are really cheap, I might be tempted to just try it and see if they fit and save $100 off the ones for the Z. Same chassis at that point so how different could it really be?
 
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Mugzilla

Mugzilla

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I'm debating on just getting a muffler delete kit. The 370z ones are really cheap, I might be tempted to just try it and see if they fit and save $100 off the ones for the Z. Same chassis at that point so how different could it really be?
It'll probably fit better than the Stillen exhaust.
 
 






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