has any one tuned there stock engine? I have read around allot people tunes there cars and gain small hp. Just wanted to know if any one has done it before and is it worth the cash? gaining a slight hp gain is still better than 109hp
I have a 2006 scion xb and I am interested in getting it tuned. This is a naturally aspirated engine and I've got a guy that will tune it but I need help buying the right components.
Now he mentioned something about this product http://www.dezod.com/pd-dezod-motorsports-aem.cfm
this is only...