Home/Custom EFI Carb Replacement Systems Holley Super Sniper EFI for boost / nitrous, self tuning with handheld, 650hp $2,138.68 Holley Super Sniper EFI for boost / nitrous, self tuning with handheld, 1250hp $2,673.73 Holley Sniper Stealth 4500 EFI for boost / nitrous, self tuning, 1500hp $3,009.87 Holley Sniper Stealth EFI Conversion, self tuning with handheld. $2,099.88 Holley Super Sniper Stealth EFI for boost / nitrous, self tuning, 1250hp $2,939.87 Holley Bluetooth Module for Terminator X EFI $309.98 Don’t see what you are looking for? Give us a call or send an email. We sell thousands of additional parts not listed on the website.