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New to Forum....Looking to see what these mods will gain!
Hello!!.....I recently bought a 2003 Mustang GT......I have put a few mods on it including....bbk shorty headers...h pipe....flow master exhaust....78 mm throttle body and airaid intake......anyone give me a guess guestimate of how much hp iv added....I was thinkin maybe 15-20???......let me know if ya can!!....thanks!!