Boost control install - Volvo Forums - Volvo Enthusiasts Forum
Opinions on Manual Boost Control
Manual Boost Controller – ZZPerformance
user manual - Turbosmart USA
Boost controller install - how did you you get??? - ClubLexus - Lexus Forum Discussion
UnrivaledTuning - *Top - manual boost controller - manually turn knob until you reach your desired boost pressure, very inexpensive design good for adjusting boost levels on a stock ECU. Not ideal