Hey guys, so I just recently purchased a 280z. I want to have roughly 600rwhp out of a 2jzgte vvti. I was told the stock rear subframe wouldn't hold that power. I plan on reinforcing the frame of the car (stitch welding, roll cage, tubing, etc). I saw that AZC has a track subframe and whole new suspension. But I can't talk myself into spending $8k on it. Any ideas?