Originally Posted by AJ@ESS
Reality is no customer of AA's E9x M3 Stage 2+ has ever come close to the 530whp they claim, we have many customers in the 580-600whp range on a kit we claim makes 530whp.
That seems to be m33, img, and dlsj5 but not most and they seem to have slightly altered set ups, trying custom tunes, tunes for the vt650 or diff pulleys.
What's up with a 600whp graph? Stock exhaust ?
I think both kits are great , but Till they run side by side...everyone should relax