Cargraphic valve control unit
#1
Cargraphic valve control unit
Spoiler
Janko testing the new Cargraphic Valve control unit
https://youtu.be/lsFIEPHEfjc
The following 2 users liked this post by 4PTZERO:
bulkychipmonk (10-08-2022),
Goodwood (02-02-2021)
The following users liked this post:
ISPYA718 (08-08-2020)
#4
If you can live with the valves open all the time just take the line off the valves and plug them...don't leave them open.
#6
You can take the vacuum lines off that go to the two exhaust valves and plug them...very easy to do and you will clearly see them once under the car. You do need to plug the lines or you will get a CEL due to the vacuum leak.
This will leave the exhaust valves all the time open because there's no vacuum to shut them.
This will leave the exhaust valves all the time open because there's no vacuum to shut them.
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Goodwood (02-02-2021)
#7
Rennlist Member
Is a valve control unit something that we can expect a Porsche dealership be OK to install? I’m thinking so, but want to know if anyone has had a prior experience.
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phefner (11-13-2020)
#9
#10
look for the thread called exhaust switch. The most straight forward is to put hexagon headless screws to block the vaccum and re-connect. 5 minutes operations without the need of lifting the car.. just caution of doing it when the car has cooled down
#11
There's some info in the 981 GT4 forum....
#13
Rennlist Member
It’s exists solely to meet the strict EU sound pollution laws... so make sure you are living in an area with “normal” sound laws and you will be fine.
The idea was at one time to select your valve setting to be quiet when you wanted it to and loud when you did not - now it’s quiet and quieter.
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Goodwood (02-02-2021)
#14
#15
Any more experience with those?