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399hp

  1. 4.6L Tech
    hi! I am looking for some answers! I have a 01 gt 2.1 kenne bell intercooled with stock engine 82k making 399 rwhp and 440trq! my question is can my car can do 450 rwhp with any issues ? I am thinking to buy bbk shortly headers,45lbs injectors, GMS 2V Pro-Series Coil Pack 60,000 volts,Comp...
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