Originally Posted by
oldford
I have never used an external boost controller. I always let the engine ecu control the boost. The only addition sometimes is an on-off switch, so that the car only has low boost.
Why do you want/need such a controller?
boost doesn't drop off, gain func to bring turbo in harder/faster
Originally Posted by
kiwikermit
In cabin adjustability and I have heard the boost curve is much more stable when you run a proper boost controller.
It is.