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Okay so i need to get new O2 sensors for the "3" its a 2.3L S 2004. Exhaust system on it is a HKS Hi Power... Not sure what the best o2 sensors are to get. I was looking at Bosch and NGK-NTK but I am a little lost as to what O2 sensors i should get given the HKS exhaust system. Maybe I'm over...