Gday
First and foremost, I know nothing about the technical side of cars nor how to install modifications etc... So bare that in mind!
I have been looking through eBay on the different things for sale for the xfire, and I see multiple listings for performance chip/module engine enhancements. Such as
http://cgi.ebay.com/ebaymotors/PERFO...QQcmdZViewItem
http://cgi.ebay.com/ebaymotors/Perfo...QQcmdZViewItem
http://cgi.ebay.com/ebaymotors/DAIML...QQcmdZViewItem
To use an Australian expression, are these products "fair dinkum"? That is, are they credible? If so, how do they work? What is the best strategy/option? What is a realistic horsepower/kilowatt increase? I see some of these adds say 45HP (approx 33 kW) increase. Yet I see some people on the forum have gone for 22HP options.
Thanks for your help.