Chevrolet Performance Cruze 1.4L Stage Kits are engineered, developed and tested to exceed your expectations for fit and function. This upgrade for Cruze RS with manual or automatic transmission includes a High Flow Exhaust System for optimum engine breathing and performance. This low-restriction system and included dealer-installed calibration will provide 10 more HP (up to 148HP) and a 10 percent increase in torque (+15 lb.-ft.).