Peter60111 Posted June 1, 2019 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
Tidgy Posted June 2, 2019 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
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