Suggested Retail:$94. PAC RP4-CH11 Radiopro4 Stereo Replacement Interface for Select Chrysler/Mitsubishi/Volkswagen Vehicles. The innovative new RadioPRO4 RP4-CH11 radio replacement interface comes pre-loaded with amplifier retention and steering wheel control (SWC) software, navigation based output signals and other features that save time and money during installation.. 7 DAY FULL REFUND GUARANTEE ON THIS ITEM IF ANY ISSUE IS FOUND THAT WAS NOT DESCRIBED/PICTURED. 7 DAY STORAGE IS ALSO AVAILABLE. SEE NOTES TO BIDDER, IN AUCTION DETAILS, AT THE TOP OF PAGE 1 FOR MORE INFO.