I have a 2006 WT ext cab with the 5.3 y pipe dual exhasut with flowmater 40 a airraid throttle body spacer and hypertech 3 best time turned was a 15.86 in the quater besides a intake what else should i do id like to keep my truck with a NA motor. wanting to turn at least 14s by this spring when the seanson starts again. from ohio if that matters thanks guys


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