hello guys, this is my first post i hope that i can get some help from the expert guys here..

i own a 2012 CS with a factory sport exhaust.. i want to open the valves without using the sport button and i want to get a pair of catbypass if someone can give me some recommendations.. and a vid will be even better =P

many thanks,,

 

hello and I'm having the same problem with the valve.. anyway
http://www.fabspeed.com/958_cayenne.html
fabspeed seems to have a cat bypass but if u solve ur valve problem.
the stock pse sounds perfect itself ^____^

 

The stock pse sounds amazing but I guess it will sound much better with the open valve and the bypass