I just got my chip and installed it today. I haven't done any runs yet but I did test my top speed and it didn't change. My car pulls real hard than hits 105 and jerks back. Should I see if my times are better before I panic or what. Any suggestions?

99 Zetec Atx Se 17's w/yoko H4 rubber Green and Black interior CTA + header + big pipes = very loud 89 Mustang LX (stock for now)