My car runs great i just have a little issue that im not sure where to look. anytime i leave from a stop light or sign and give it close to 50% throttle and let off completely at 3500-4000rpm it sounds like a backfire in the exhaust.
now im not sure what could cause the issues i know i have is a got the car with 3.4 pulley i didnt know it at the time but i put al106's in could this be causing this or maybe a dirty injector.
mods im not positive what has or hasnt been done other than a 3.4 pulley no ubend or res and a open cone its not much but its how i got it and yes i already know its not enough supporting mods for a 3.4 i could possibly have a custom tune i havent checked yet so could it be a bad tune?
