For the new people... great info here
This site hasn't been posted recently, so here it is. Miracerros.com
Bookmark this site and refer back to it as necessary.
99-02 Mustang V6
Tons of great information here, in fact I am using one of the pages later this week when I install my Underdrive Pulley.
01 V6 5 spd
Windstar upper, shorty headers, high-flow catted X, American Thunder catback, SCT Tuner, ASP 25% UDP, FRPP T-Lok