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  1. ESS Stage 2

    Forced Induction Forum
    New ESS Stage 2 installed on my 330ci ZHP. Here is the dyno run 355 hp and 330 fpt. What a blast, can't get the smile off my face. Good Speed in Scottsdale AZ. did the work for me. Highly recommend their service. Hans and Roman of ESS gave great customer service. Thanks John