RDP Motorsport have spent a huge amount of time developing our YSI system on the SRT8 Jeep as we are the only people in the World producing a YSI kit for a SRT8 jeep, the system is complete with air to air intercooler , fuel injectors and 8mm cog drive system and cai unit to suit, this system is for the very serious customer chasing large amounts of Hp and Torque, dyno videos can be viewed at www.rdptv.net