ok, here is a question. everytime i turn left, i can here something scraping the ground. this has been happening ever since i replaced the exhaust. i looked under the car and there is nothing hanging. is it the exhaust?

 

try turning the wheels left and then seeing if anything is hanging?

 

check all the fittings to your sway bar...i had a link bust on the left side and had same problem as you, except that it only scraped on right turns. also try to look under it and see whats scraping...does it sound metallic or plastic when it scrapes? have someone drive behind you and make a left turn and ask then if they saw sparks and from where.