For over a decade ProCharger supercharger systems have delivered the largest and most reliable power gains for the HEMI engine platforms. Power gains of over 160 HP are possible on standard high quality pump gas for stock 5.7L HEMI engines. No hidden fees, the price you see is the price you pay assuming vehicle condition is adequate. Have any questions? Feel free to give us a call at (262) 692-9035 or email us at email@example.com.