Anyone here using anyone of these?

[EGOKILR]

If so Please elaborate, I dont want to just throw away 500 bucks. Do they really make that much of a difference.

(TURBOSMART E-BOOST 40 PSI) or the (APEXI AVC BOOST CONTROLLER)

 

[PaCemkr86]

it works well, I'm freinds with one of the main guys at Turbosmart in Australia . It can control boost in any gear.. i just opted to use the turbo smart gated valve...