Anyone have this? If so, how do you like it? Easy to tune your car, have any big differences been noticed?
For those who don't know what it is...
http://www.fuelairspark.com/Catalogs/XFIflyer/FASTXFIFlyer.pdf
For those who don't know what it is...
http://www.fuelairspark.com/Catalogs/XFIflyer/FASTXFIFlyer.pdf