so I installed my header today and went for a drive i noticed that the car idles really low now. at around 550-650rpm. something like that. i tried the idle adjustment screw but it didnt bring it back to the 800rpm range. i was wondering what i could do to try and correct this. also this was with no exhaust just the header. im getting an exhaust on tuesday so would this help with the rpm problem?. thanks in advance. this is on the stock FI btw.