Hardly used ZEX EFI Wet Nitrous System. Part # 82023. 125HP shot. Was on car I bought but don't plan to use b/c car is also supercharged. Per previous owner, only sprayed a few times, still N2O in tank. Retails for about $600, asking $350. Additional info available at http://www.zex.com/zx/v8-efi-wet-nitrous-system.html. Product Description Another universal kit designed to work with stock type engines is our V8 EFI Nitrous System. Designed to provide anywhere from 75-125 additional horsepower, this can also be installed on turbocharged/supercharged vehicles and is still only a 2 hour installation. All necessary components are shipped with the kit, including tuning jets, fuel tap fittings and a Nitrous Management Unit that contains solenoids, filters and activation electronics. Designed to provide 75-125 horsepower Uses both Active Fuel Control to monitor bottle pressure and a ZEX patented TPS switch to activate nitrous Ships with tuning jets, fuel tap fittings, solenoids, filters and all necessary activation electronics Will ship but tank will be emptied prior. Thx.<!-- google_ad_section_end -->