Reviewed By Ryan N (Spanaway, WA) Reviewed for a 1990 Ford F-250 —6/10/2009 8:13 PM
I can definitely feel a difference in the acceleration, but for my engine it is pretty quiet. I was hoping for it to be a little more throaty. I have a 302 engine, and it has a big cat converter, so there isn't much push. I would recommend it for big blocks.