WHEN IM DRIVING AND I LET MY FOOT OFF THE GAS MY CAR RUMBLES FROM RIGHT UNDERNEATH ME, I HAVE THE STILLEN EXHAUST AND RT CATS AS WELL AS THE STILLEN HEADERS. IT ONLY HAPPENS WHEN I DECELERATE, MOSTLY WHEN I HAVE BEEN DRIVING ON THE PARKWAY. IS IT THE EXHAUST OR MY TRANSMISSION? SOMEONE HELP HAS ANYONE HAD THIS PROBLEM?

JON-

 

might be the headers or cats with a metal on metal vibration at lower rpms...

what happened to the supra?

 

im gettin it friday!!! cant wait!!! but i gotta get rid of my stuff. just wanted to make sure it wasnt the trani before i sold it!!! dont wanna be a dick and sell somebody something broken!