03 Galant/Eclipse V6 throttlebody fit a 2003 2.4L
 

03 Galant/Eclipse V6 throttlebody fit a 2003 Galant 2.4L
When I looked it up I found that the stock 2.4Lsohc is 54mm and the V6 one is 60mm.
ON this site http://www.rpw.com.au/Performance%20.../4G64%20tb.htm
it tell you . But my question is that if you change it is there a 5-6 hp increasement. And is it a truly a direct bolt on..

If it is I found a salvage yard that has these for $100 plus shipping...
thanks steve