wow i had no idea that apex is closing down i just had my phb installed their a few months ago.
i would try mustang ranch, they are just down the street pretty much from apex. i dont know if they have a dyno, or can dyno etc.. but i am pretty sure they can reccomend somewhere if they cant do it for u.
We are the oldest and largest V6 Mustang forum on the internet. If you have any questions about your V6 Mustang or just want to connect with other V6 Mustang owners around the world, you have found the best place on the internet to do that.