Just finished installing our American Racing Headers yesterday and got it on the dyno. They showed GREAT Gains.
Here is a dyno graph of the car stock with a tune then adding headers.
It picked up 30rwtq from 3800-5k and about 20 or so after that.
Here is the graph from the bone stock pulls to Headers/Tune. Picked up 50rwtq from 3800-5400rwhp.... Thats HUGE improvements.
