POLARIS RZR XP TURBO BIG TURBO SYSTEM by Force TurbosSKU: A 18113 Force Turbos XPBT (B is for BIG) turbo system is designed specifically for all Polaris RZR XPT units (2016 2019). With a boost level of 15 psi and high volume design, you are sure to get the additional horsepower you are looking for with minimal stress on the motor. Your RZR XP Turbo will see a dramatic horsepower increase to the wheels from 120 125RWHP to above 170 RWHP with customers reporting as high as 200 RWHP on race fuel. XPBT