So here's the skinny. I was installing the Cobb Turbo Back Exhaust on my 07 WRX and it has been an utter disaster. It started well, with little trouble removing the heat shield, however, once the car had been jacked up, that's when the nightmare starts. With the Cobb system I am required to use the stock bolts on the car, however, I have had one of these bolts snap on me(which was the bolt on the j-hook, holding the mid-pipe). Half of the exhaust is off the car, with the downpipe and the mid-pipe still connected. I tried with all my might to loosen the nuts holding the mid-pipe and downpipe together, but to no avail. I have sprayed the bolts several times with Blaster penetrating lube in hopes of getting the bolts loose. My other concern with the install is that the bolts on the car now are extremely rusty and I would like to replace the bolts. My google-fu has failed me and I cannot find the size of the bolts that are on the car, so I was hoping if someone on here could point me in the right direction. I appreciate any help that y'all can offer.