My tuner use the map K&N V2 + race header + s+highflo cat + stock catback as a basemap that he custom tune for my setup on the dyno
But the trottle plate was not changed.
I'm not really good in english but I will do my best.
My car is Honda Civic SI 2008 w/ I/E/H + flashpro I noticed that when I run the car normally (shift ~4000rpm) I got little revhang. I have to wait about a second before my rpm drop BUT, when I shift in higher RPM (6000-7000rpm) my rpm drop ...