looking for some tips on Forgestar F14

[ven377]

saw these ads on craigslist.
want to know if you guys think the specs are to aggressive for my GT.
What do you guys think of the price also.
i currently have 20x9 and 20x10.5 str 607.
http://orangecounty.craigslist.org/wto/5353336697.html
http://losangeles.craigslist.org/lac/wto/5404701852.html

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[Need4SpeedMotors]

The front is fine the rear is def no go bro

Thats wayyyy too low of a offset on the rear unless you wanns go widebody