Can you add PSE? - Porsche 718 Forum
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post #1 of 31 Old 09-21-2018, 01:50 PM Thread Starter
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Can you add PSE?

Hello, I am looking at picking up a 718 Cayman that does not have the PSE. I really like it and wanted to know if its possible to add that to a car that doesn't come with it factory?

Anyone have any info on that?
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post #2 of 31 Old 09-21-2018, 04:49 PM
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Originally Posted by BrownDogg View Post
Hello, I am looking at picking up a 718 Cayman that does not have the PSE. I really like it and wanted to know if its possible to add that to a car that doesn't come with it factory?

Anyone have any info on that?

Yes you can, take a look at Porsches Tequipment Accessories Finder.
But the PSE on 718 aint as good as on 981 and its a different kind of exhaust all together.


There is a Sound aktor on the torpedo wall and most of us have disconnected it because it is producing something like a one noted rumble.
It also rumbles more in sport mode and when the PSE is open.


With it disconnected you cant really hear a difference if the PSE is open!!
In sport mode you can hear it but in normal/sport+ the difference is really small.


Search the forum for sound aktor and you will find alot of info
Viffermike and BrownDogg like this.

For the fun of it.....
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post #3 of 31 Old 09-22-2018, 08:37 AM
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Yes it’s $2100 at Suncoast.
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post #4 of 31 Old 09-22-2018, 12:35 PM Thread Starter
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Thanks for the tip on the Porsches Tequipment Accessories Finder. I haven't seen that before but I did find it in there!

I will do some research on the sound aktor!
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post #5 of 31 Old 09-27-2018, 05:03 PM
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How does the sport exhaust compare to the stock exhaust? Does it open valves that are activated with the PSE button? Is it more free flowing and make additional power when active?
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post #6 of 31 Old 09-28-2018, 04:27 AM
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Originally Posted by Kenneth Dilger II View Post
How does the sport exhaust compare to the stock exhaust? Does it open valves that are activated with the PSE button? Is it more free flowing and make additional power when active?
Exhaust with PSE have a tad smaller mufflers and there is only a valve on the muffler on the passanger side.
In normal the PSE is closed by default but can be open with the button.
Sport/Sport+ the valve is open by default but can be closed.
PSE is always closed under 50kmh/2000rpm.


No additional power or such and not much extra noise either.
The sound actor also changes note depending on driver mode/PSE open/closed, disconnect it and one can really hear that the PSE does not add as much noise as on 981

For the fun of it.....
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post #7 of 31 Old 09-28-2018, 04:12 PM
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I tested with and without the PSE. The difference was marginal and not worth the asking price in my opinion so didn't order it.

What a lot of people don't realise is most of the sound difference you hear is from the changes in the engine and soundaktor from SPORT mode being enabled, and not the minor difference from the sport exhaust. Also something else not every knows is that you get more exhaust noises in Sport mode compared to Sport+ mode (try it), my non PSE 718 in Sport mode makes a lot more noise and pops and bangs than a 718 with PSE in Sports+ mode.
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post #8 of 31 Old 09-28-2018, 04:34 PM
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Originally Posted by bus_ter View Post
I tested with and without the PSE. The difference was marginal and not worth the asking price in my opinion so didn't order it.

What a lot of people don't realise is most of the sound difference you hear is from the changes in the engine and soundaktor from SPORT mode being enabled, and not the minor difference from the sport exhaust. Also something else not every knows is that you get more exhaust noises in Sport mode compared to Sport+ mode (try it), my non PSE 718 in Sport mode makes a lot more noise and pops and bangs than a 718 with PSE in Sports+ mode.
Sport+ with PSE on track sound nearly as Sport with bangs on down shifts, but thats more to the style of driving.
PSE is not Worth it imho, but if you do the 981 mod, then sounds Alot!

For the fun of it.....
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post #9 of 31 Old 09-28-2018, 04:39 PM
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but if you do the 981 mod, then sounds Alot!
Does this mod involve dumping the 4 pot and installing a Flat 6?!
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post #10 of 31 Old 09-28-2018, 04:54 PM
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Originally Posted by bus_ter View Post
Does this mod involve dumping the 4 pot and installing a Flat 6?!



Thats was a good one!
But it is much easier then that, there is a pipe connecting the two mufflers right infront of the exhaust tips.
If you move the clamp and create a gap thats 2-5mm your gonna transform the exhaust note - last pic is from my own car when i was testing it
Also you can mod the PSE valve so its Always open.






If you like it then you can like this so the clamp is still in use.
And by sliding it you can change the note or Close it so its back to stock.


For the fun of it.....

Last edited by johan; 09-28-2018 at 05:00 PM.
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