Hi,

I just recently got a turbo back Exhaust fitted to my07 Impreza after a week of driving my CEL has came on and my cruise control light is flashing when I took my car to get diagnosed they said that the "catalytic converter is below threshold" can anyone give me any tips on how I can solve my problem?? Also when they have fitted the exhaust they have taken the front O2 censor off..

Thanks


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