Our Steeda Custom Tunes have been available for the Mach 1s, but if you've got a JLT intake on your Mach 1 (or Bullitt), we have custom tunes available now! This particular Mach 1 had an aftermarket exhaust as well and managed to put down 443WHP & 391 ft/lbs of torque!

#mach1 #mustang #ford #fordmustang #intake #dyno #dynotuning #steeda #speed #speedmatters #power #airfilter