According to Cyril Huze post custom motorcycle news, S&S has partnered with Victory to offer a stage 2 performance cam kit. This includes front and rear cams, air dam(improves air flow) and calibration download card for dealer install. To be used only with Tri Oval or Victory round exhaust slip on, sold separately. Without exhaust, S&S kit goes for $550. This is a Victory dealer install and is warranty compliant. S&S claims 20% hp and 10% torque increase while still under warranty with dealer install. Look it up.