I have had a Quicksilver exhaust on my Z1 for many years. IMHO, it has been a perfect compromise between sound and (slightly) better throttle response on a 33-year old mostly analog car.
While they make one for the i8, I can find no real world reviews or experience with their system on our platform. They advertise the system as including something branded as “Sound Architect (tm)” which supposedly ties into the stock valve control software, but can be augmented with a button to open and close the valve, too.
Anyone have this system in their i8? What are your thoughts on pros and cons?
https://quicksilverexhausts.store/pr...ound-architect
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'17 i8 Protonic Red Edition; '17 “30 Jahre” M3
'90 Z1 Red w/red/black leather, GC coilovers, Alpina Dynamic DS-02
'91 850i Mauritius Blue/Black, BBS RS-GT
'85 M635CSi Alpine w/buffalo; '03 M3 Conv, Imola
‘85 323i Baur; ‘02 X5 4.6is Estoril; ‘95 Racing Dynamics K30.4