anyway, gas sucks, the pcm reprograming isnt a chip its the fix they did to the ecu on the car. but i run 93 anyway, i usually go to my dads work and get it for free, but if i cant i gotta pay, but oh well, i have no idea waht the gas mileage is cus i dont know how to tell....
1999 Mustang Cobra
Red
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PCM Reprogrammed
STEEDA Billet Steel Flywheel
STEEDA Tri-Ax Shifter
STEEDA Ultra-Lite Rims
STEEDA 30LB Injectors
STEEDA Sport Competition Springs
JBA Shorty Headers
And the beast...
Paxton Novi 1000 Supercharger (only $2500 Holy Sh!t)
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No dyno yet, but definately more then 320 hp.