people are deep into the 9's on stock sti 6mt's launching with 4 slicks with 6-700 hp and they hold up good. all about the trasnmission design really, the 5mt has real thin gears
yeah if you buy another piston from subaru. but the way he was tuning it was wicked hack, which is why it blew up in the first place. no control over timing = broken ringland