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hks ssqv4
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  1. STi Engine Performance
    Question, I’m recently getting started on modding my 15+ STI and would like to know if I could run a HKS SQQV4 BOV with a Cobb Stage 1+ SF intake and Access port and wondering if It will damage my vehicle. I understand that 100% atmospheric is BAD for the engine but with the Stage 1 tune would...
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