Originally Posted by
lancerman
Contrary to popular belief the 30r is pretty much maxed out at 500whp. Given the setup is running stock ecu and mass air Those are good numbers. Jester tuning is simply the best there is reflashing the stock ecu. there would be another 30 available on AEM.
I agree I think the 30r is just about maxed out. Jester iis the best tunner for stock ecu. He got out of my car over 550 whp