Quote:
Originally posted by wallyd13
Wondering if this really works, I've heard it claim to give 23 extra HP's. Truth or Myth? Thanks
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I believe you are using this site as a reference:
http://www.tdi-plc.com/SUNNY_PRIMERA.html ?
Those numbers are very fudged. The only one even close is the header figure.
In general an intake on our cars gets you 3hp to the wheels. A cold air intake will get you 7 or 8hp. A catback exhaust will get you around 7hp to the wheels as well.