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Re: Power mods of 99-02 5.3 V8
I did not see a throttle body bypass. I have added one to my 4.8. I was looking for power mods when I came across this mob that was 17.00 and it freed up an average of 8 hp. I also did not see the flowmaster mmuscle truck exhaust. I just got mine and am going to add it this weekend.
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