Originally Posted by M3-SRT8
They are claiming some significant HP and Torque improvements, across all RPM's. HP goes from 77 (stock) to an even 90.
Are you sure you didn't mean 87 HP stock? Pretty much every article I've read mentions that figure. Or are you talking at the wheel? EDIT: Just opened the 2nd link and saw the dyno reading of 77 stock, so at the wheel.