10 19 Toyota 4Runner 4.0L Magnuson Supercharger System 01 13 40 021 BL MP90 FJ Cruiser 4.0L V6 Supercharger System Magnuson Superchargers Magunson Supercharger System for Toyota 4Runner Now 50 State Legal Toyota Tacoma and FJ Cruiser 4.0L V6 are Now Fully CARB Certified 2010 2019 Toyota FJ Cruiser w Magnuson Supercharger V6 4.0L Momentum. Magnuson is proud to announce the 2010 2019 4Runner and 2010 2014 FJ Cruiser Supercharger System is available. At around 6 PSI the kit gives customers 30% increase over stock on horsepower, and a 28% increase in torque. The supercharger system is a positive displacement, roots style kit, utilizing Eaton's lightweight TVS rotors. Cast and assembled as a single, OEM style manifold and rotating group housing, the unit is quiet, compact, attractive, easy to install, and requires little to no extra maintenance.