Couple of people requested videos, so here they are. You can quite distinctly hear the BIC DDP open up once full boost hits. ~20psi on a warm spring day. Right click and save as.
taking off normally then full throttle
boosting a little around a corner, then full throttle
blowing off under a bridge @80mph
taking off normally then full throttle
boosting a little around a corner, then full throttle
blowing off under a bridge @80mph