Quote Originally Posted by digit
If you get a well built exhaust you wouldn't need to run an open "header"(rolls eyes) at the track or the dyno. You would maybe only "free up" 5-10hp which would be more then compensated with driving abilities. Unless you can't drive then you'll need all the hp you can get.
Yea, I know that but some people still take off their exhaust for extra horses/torque and it helps during dyno and track days. Doing what I did just made me realize a few aspects. Learn something everyday... Appreciate though