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Polestar Exhaust System (valves open)?

3K views 1 reply 2 participants last post by  HiTek 
#1 ·
The exhaust is lovely on the T5 but I am wondering what system it uses?
I don't notice a difference in S mode...
Whereas the V/S60 has the valves open.
Are the valves permanently open on the V40 or is it something that can be done in the workshop?
Thanks
 
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