Finally got exhaust in,but a small problem

[mitsuclipsegsx]

i got my car back today from pruven performance today got installed 3" Buschur exhaust, MR DP no cat and o2 dump i just have to say WOW it is so loud even at 3grand(i have an auto) and i also had a 1g TB and i think their is a problem he told me that the ISC sensor is bad or clogged w/ carbon casue in park it idles at 2500 or 2000 i might just take it off and put 2g TB back but here is my problem i was pulling into my drievway and put it into park and bang heard this clunk like tranny i was like shit, i was thinking maybe casue its reving so high 2000-2500 then i put it into park and its just at a high rpm or maybe my tranny is going or maybe motor mounts idk help

ps i will take pic /video this weekend bro has camera

 

[94TalonKid]

Most automatic transmissions rev higher in park then they do in neutral or drive. What does yours idle at in drive, or neutral. If it's around the same as in park. or higher than 750, adjust your biss screw, then see what happens.

 

[mitsuclipsegsx]

no no trust me its the tb 2500 in park is not normal even for an auto i was 800-1000 before, i know its the sensor but what i need to know is the "bang" idk thats were i need help!!!

 

[mitsuclipsegsx]

btw the biss screw is all the way so it goes the loest the guy told me it was the ISC sesnor