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12 Posts
hey anyone know about the phase 5 cobalt GM built with 535 hp? i was just wondering if anyone knew exactly what had been done to get that much power. i find it incredable.
all i can really find is this....
http://www.auto123.com/en/parts/tuning/index,view.spy?artid=31233&pg=1
all i can really find is this....
http://www.auto123.com/en/parts/tuning/index,view.spy?artid=31233&pg=1