Originally Posted by wstar

I strongly suspect this is the case, just based on my driving impressions. I think we are trading low-rpm torque for high-rpm torque with these headers. The car feels less torquey (less "jerk" if you will) at low rpms (idle to 3k -ish). It's actually kinda nice, since the car now drives smoother at grandma speeds in heavy traffic. Again, we'll see once we get some headers on the dyno.