Exactly how loud is Tomei CBE Exhaust?

Zforzack

Hey guys,

This is my first post inquiring about anything here. So I daily drive a 370z, currently I ride with everything pretty much stock. Only mod I did was that I removed the muffler and added an AAM non-resonated short tails. The car itself is fairly loud, however the "growl" comes in pretty late (around 4-5k rpm). Anything before or after that zone leaves a lot to be desired.

I have been doing some research on the Tomei 370z CBE and its Y-pipe. I am super interested. Exactly how much louder is it compared to the AAM short-tails? Cold starts with my AAM short-tails are bare-able, anyone know how loud are cold starts will be on the full Tomei CBE and its y-pipe? Will it be MUCH louder? Or about the same?

I live in Canada, and we have muffler laws. I've been dailying my Z with those short-tails, no troubles with the police yet. I currently live in an apartment that is right outside of the housing unit of special constable (peace officers). So, that is why I am inquiring!

Thanks!

ZontheRocks

There are so many videos out there of Zs with dat Tomei dah(!). You already have one of the louder options with non-res short tails.

More free flow will increase the volume.

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'16 Pearl White Sport | Stillen Gen. 3 | Motordyne ART | Motordyne Shockwave | ZSpeed | Powertrix | EVO-R | Aeroworkz | Nismo | Z1 | EcuTek | Tuned by Seb @ SpecialtyZ

Zforzack

Yeah, I've been listening to a lot of Tomei clips. To me they sound about the same, but they hit that "growl" a lot earlier. Maybe 3k rpm? As long as I behave myself I should be a-okay. Early shifting etc etc...

Excuse me for my lack of knowledge, but what exactly does it mean to have more volume? Does that mean more air will be pushed out?

vq37818

The Tomei will be louder. I rarely see Tomeis installed without test pipes, but with test pipes it is ear-deafening. I personally don’t think the Tomei makes a good sound... trumpet-like and raspy. To each his own.

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2019 370z Sport 6MT | Magnetic Black

madwi

Its ******* loud as ****.

-ZS-Carpenter

It's unbearably loud
Too loud for some race tracks loud
and far far to loud for the street

Zforzack

I guess I can just keep dreaming to "daily a tomei" . Any
recommendations for a single can? I really prefer the look of the single cans. How does the AAM Single exhaust hold up? Or even the Isr single exit exhaust?
I am a new Z owner, looking for some recommendations!

ZontheRocks

Let’s put it this way: All single exits are loud as hell. The Tomei is titanium and even louder.

Like someone said above, add a y-pipe and some test pipes and it doesn’t matter what single exit you throw on the car. They will all be loud as hell.

There are several people out there that have added additional resonators to their single exits to adjust the sound, so maybe that is what you would want to do to keep the visual aesthetics.

__________________
'16 Pearl White Sport | Stillen Gen. 3 | Motordyne ART | Motordyne Shockwave | ZSpeed | Powertrix | EVO-R | Aeroworkz | Nismo | Z1 | EcuTek | Tuned by Seb @ SpecialtyZ

BettyZ

It sounds like a trumpet being gang-raped by four, maybe five tubas.

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'14 MB Nismo | Boost Lab 6870 1.32 AR 553 HP / 471 ft.-lbs.
Betty Mods

Zforzack

Sounds like one hot mess

Whjaxn17

Greddy makes a single exit, which I'd strongly recommend over any other listings.

The Tomei is titanium(obviously), which is why it sounds so different. There is also thinner gauge metal used, which is a factor as to why it's so loud. Several people have also had theirs crack. Tomei is good stuff, but thin metal being heat cycled(and scraping underneath a low slung car) is bound to give at some point.

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704whp/519wtq, SOHO stage 2.5
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Zforzack

I think I may have settled on the Tomei, I found a used posting for cheap. Including the tomei y-pipe. I think I should be okay as long as I behave myself on the pedal

madwi

Good luck.

-ZS-Carpenter

He will have it on for a day before it goes back up for sale

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madwi

Neighbors might kill him on first cold startup