Hay guys need help on my sons dunerunner just finished brake in stage then we installed the HPI rear DDM dominator pipe and a 8000spring it started right up the after a minuet it just bogged out and dies. Tried starting it again same this starts right up then when i give it throttle it boggs out and dies. Know it just wont start plug is wet but has spark. Please help up fix this problem it. Thanks guys really appreciate it.