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  1. Forced Induction And Nitrous
    anyone have or used any of these products? look like simple plug n play for power http://www.hypertech-inc.com/products-max-energy-sport.aspx
  2. Si Only
    With my older Civic, i found Spoon Sports and T1R to be my top favorites for performance. I used some Injen parts in the past, but i ended up selling them within weeks of buying it. What are your favorite aftermarket performance brands?