OK also I don't know why someone didn't comment about his 75mm Throttle Body. THAT will kill some low end torque. Why would he put on such a big throttle body for a combo that makes very little? Have him put on a 70mm or even a 65mm. The 65mm will hold up to 400hp and you won't loose the much needed low-end torque the 75mm starves you of.
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