uuuuh, my GT 8.8" rear cost me $200 dude, with 3.73s and GT brakes.
seriously, you have to do a lot of research before you buy anything, even if your goal is "only" 350HP. your car is old and seen some miles, so you'll probably need a stronger rear then the limp 7.5" rear. You'll need to be able to support the new power, which is over twice of stock. probably new front brakes, new transmission, new clutch. this is not a simple project.
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K&N CAI, BBK TB, Pacesetter dual exhaust adaptor, Magnaflow dual exhaust, Steeda Tri ax shifter, GT front brakes, 8.8" rear, 3.73s
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