05 v6 mustang early shifts is there a problem?

V6 Mustang Automatics are notorious for having early shifts. It is normal because the V6 has less torque therefore it is going to jump through the gears to keep the rpm moving. It won't do it as bad if you put it in overdrive. The high pitched noise is the intake. Most cars don't need a tune for just a cold air intake although if you wanna get the most bang for your buck on any car with or without mods, get a tuner chip. By the way, that is a good sounding V6.