Manual Boost Controller (MBC)

This boost controller was specifically designed for the CT26 CT20 CT15 turbochargers.
Positive action ball and spring type controller
Convenient adjusting knob
Right angle hose fitting that eases mounting
1/4" hose fittings for less restrictive flow

Twos R Us MBC
Two 3 foot lengths of high temp/high pressure hose
Detailed installation instructions

Buy the boost controller that comes ready to install - no need to buy hoses or clamps, they're included! The only tools you'll need are a straight blade screwdriver and pair of pliers.

Welcome! As of April 2020, We have merged all the great MR2 and 86 parts from PrimeDriven back on to our parent site - PRIMEMR2 - This way we can serve our parts customers better and more efficiently! Prime MR2 is your one stop shop for all of your MR2, FR-S, BRZ and 86 parts needs. If you are looking to enter the PrimeDriven Car giveaway - click BACK on your browser or head over to for a chance to win!