Originally Posted by Turbosystems

The std ecu is mapped to 10 psi alot of after market chips just remove the boost limit and can therefore only read 10 psi
The std pressure sensor is a frequency out put sensor the ecu processor can be altered to read upto 23 psi and have an ignition map to suit.
All our chips had raised boost limits and properly mapped ignition curves
Some ecu mods were not even a chip or properly mapped chip they were nothing more than a micky mouse board that limited the map sensor out put to never effectively see above 8 psi of boost if they worked at all