got the PC installed and man what a difference. all the slow speed problems have gone, no more cough and choke when ridding around hunting a parking spot. low end torque is much better also. havn't changed pipes yet, still scratching my head. leaning toward the thunderheader. next step is to install better breathing, stage one air cleaner. made one interesting discovery, when the instructions say "loosen the nuts and pull the ecm away from the side of the frame" don't take the ecm all the way off like I did. man is that thing hard to get back on. well live and learn I guess. Again thanks to all for all your help.