scott4.6

ok, i used the search button and did not find a answer. hope some one can help me out . ok , i have a 03 gt, my mods so far are this,, bbk shorty headers, bbk cai, o/r x pipe, slp loudmouth catback and 4 10 gears. the car is a 5 speed. i want a 93 octane tune from brenspeed, how much wheel hp should i exspect? my car right now is not tuned. thanks

mrtstang

Maybe 10-15 hp, but it will have better throttle response.

scott4.6

10 to 15 hp sounds really great. better response to boot , awesome! i cant wait to get it installed. thanks