Hallman Profess RX manual boost controller -4an either barb

Hallman Per RX manual boost director in Black. Features ceramic ball, 2x spring for light or heavy boost, mounting  bracket, 3ft of vacuum line, zipties plus instructions.

Obtainable with -4an fittings or basic hosiery barb.

Easiest way toward increase the performance  of your Turbocharged vehicle. Take rid away the laggy onset of boost that occurs when running a car on wastegate spring printable.