Peter60111 Posted June 1, 2019 Share Posted June 1, 2019 Hi just got my first subaru impreza wrx sti 2011 and I found couple of things I don't know about 1.is performance upgrade certificate what as been upgraded 2.is a sigma alarm by the steering wheel do I need a code Quote Link to comment Share on other sites More sharing options...
Tidgy Posted June 2, 2019 Share Posted June 2, 2019 It used to be sports cat, panel filter and a flash map, not 100% sure if its the same on the 2011 though Quote Link to comment Share on other sites More sharing options...
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