I got my header installed with my 2.5 inch cat behind it. still has the 2" pipe but I felt a huge differance in the new install. crappy pics comming soon to my domain page if you want to check they out.
ConvZ
Kevin H
http://www.cardomain.com/ride/2187947
Your post says u have a 2.5"
cat still with the 2" piping, profile says you have 25"
header-back exhuast... which is it?
more than likely i filled out my pro long ago then I just go through that list and startmy modding. pipe work comes tuesday
http://www.cardomain.com/ride/2187947