i ran the same headers with j heads on my indys -1 ans -2 s just needed a tickle up at the flange end

1.37 60 ft [email]6.0@113[/email] [email]9.57@141[/email] 408 glide 3550lbs
new video http://www.youtube.com/watch?feature=player_embedded&v=Xvq3ZObywQE