i have the Apexi AVCR on my car for 2 years, well worth every penny !!

simple to use ( kind of !! ) so many functions. never gone wrong. and you can control the boost setting at the touch of a buton !! ( could be bad thing in the wrong hands !!! )

it is also safe as if there was a fault it goes open loop ( wastegate pressures ) i have it set @ 6psi !! , it`s also got its own MAP sensor.

i`m in the process of setting up the speed related boost settings to protect the transmission !!!

get one you wont regret it !!!