hey guys,
recently, i just put a new muffler and dual cold air intake, the acceleration was good. then i added the eurocharged to it. the first day it was so fast and the accleration was so good but after, it turned slow, im running 0 to 60 in like 9 seconds with my feet all the way.i have a na 6 speed and was wondering whats the problem, anyone with the same problem? thanks