Channel Islands, CA (June 10, 2004)-Vortech has introduced a new supercharging system for the 2004 5.7L LS6 Corvette Z06. This aftercooled system will increase horsepower and torque from 405/400 stock to 548/475 supercharged.* Vortech uses the V-2 SC-Trim supercharger with the Super Quiet gears, for nearly silent operation of the supercharger under idle and full throttle applications. The Z06 supercharging systems comes with everything you need to bolt it on, including high capacity replacement fuel injectors, a secondary cog drive system and more. A handheld ECM re-programmer is included with the kit to enable fuel and timing curve changes and to make operation hassle free. Installation time runs around 16-24 hours. This product is 50-state smog legal under CARB D-213-19**. *Supercharged horsepower and torque data shown is a calculated estimate based on percentage increases from actual rear wheel hp/tq measurements.**2004 models not included. Part # 4GR218-010SQ 2001-2004 Z06 Corvette H.O. (satin) Suggested Retail Price: $7,095.95 Part # 4GR218-018SQ 2001-2004 Z06 Corvette H.O. (polished) Suggested Retail Price: $7,495.95