Originally Posted by Jc61990

i added a MBC to mine few days after i got chipped. pushing about 22psi. i was able to keep up with my friends sti. not pass, just keep up. it made me feel happy. only downside ive had with the tune is the fueling, its horrible i run rich 24/7, and only get about 210 miles to a full tank (14 gal) and i use 93oct