Originally Posted by Chris@FsP

This thread was made before we got it on the dyno, that's why there are no numbers or dyno graphs in the OP.

We have since taken it on the dyno. This kit shipped with the revised pulley, and did not put down the hp we were looking to get (389whp). We are waiting on Stillen to ship us an original spec pulley so we can get back on the dyno and shoot for a little better numbers.