whats goin on guys. i have an 03 cobra my mods r stage 5 port, 2600 maf, 60lb,2.80 upper pulley, idler pulley,2lb lower pulley, heat echanger, offroad x and a catback it has been dynoed at jdm engineering. im having a promblem with stalling. if i put the clutch in sometimes the rpms will just drop or it will stall other times it will be fine. the ecu has been upgraded i dont know what the promblem is if you guys know anything please let me know thank you.