Warm Tips:Please leave a paypal note to inform us the color when you make payment, otherwise we will ship the black color The manual boost controller allows you to adjust the boost pressure a turbocharged or supercharged vehicle runs increasing performance. It allows boost pressure to be altered without affecting the boost curve.
Features: Lightweight design.
1-30 PSI adjustable.
Comes with hardware and fittings for installing.
Instruction is NOT included. Professional installation is highly recommended.