I have the superchips Max Microtuner part #1755 on my car and love it..
couldn't do a burn out with the 17" tires put superchip in melted the one tire so had to go out and get posi.. now it melts both tires effortlessly. stock tune car went 15.67 best in 1/4..added superchip best was 15.31 added posi now doing 14.97 (sea level).
2005 Mustang v6 auto
eibach springs
17" bullits
superchip 1755