i am going with a solid rearend out of a gt. i am looking to sell the rearend asap. it has eibach drag launch springs on the rear. i would be willing to sell it with the catback system that i have on it cause i am going to need a different one for the solid. it is a flowmaster super 40 series catback. it has about 1k on the exhaust. the irs has 45k on it. it is the complete set up except it comes with stock gt brakes. i am looking for offers. not set on a price. make me an offer plus shipping. thanks.