Originally Posted by gotchu99

Here's your answer. If you had the lag tuned out when you had your tune done, then the booster will serve no purpose. My tune didn't address the throttle. Had I know to tell them to do it, I wouldn't have needed to spend more money on the sprint booster. That's all the booster does, remaps the throttle. You had it done via a tune, which is what the booster does.

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