JB4 Tuner for 2014-Present Porsche 911 Turbo & Turbo S

Description

JB4 Features and Benefits • Power gains of up to 140hp and up to 240Nm on a stock vehicle • Improves 0-60 times and 1/4 mile times • Preloaded with custom Porsche tuning software and up to 8 maps for various fuel and modification levelslevels • The JB4 offers…