Home/1964-73 Mustang Programmable EFI Holley Sniper EFI Conversion, self tuning with handheld. $1,654.59 Holley Super Sniper EFI for boost / nitrous, self tuning with handheld, 650hp $1,961.86 Holley Super Sniper EFI for boost / nitrous, self tuning with handheld, 1250hp $2,263.63 Holley Sniper Xflow EFI Conversion, 800hp, self tuning with handheld. $1,855.62 Holley Sniper Xflow EFI Conversion, 1375hp, self tuning with handheld. $2,356.06 Holley Sniper Stealth 4500 EFI for boost / nitrous, self tuning, 1500hp $2,503.32 Holley Sniper Stealth EFI Conversion, self tuning with handheld. $1,693.40 Holley Super Sniper Stealth EFI for boost / nitrous, self tuning, 650hp $1,987.92 Holley Super Sniper Stealth EFI for boost / nitrous, self tuning, 1250hp $2,429.69 Holley Terminator X EFI system, universal Ford $1,749.00 Holley EFI Pro Dash, 6.86" - Touchscreen, data logging, GPS $1,649.85 Holley Terminator X EFI system, universal Ford with 4R70W Transmission control $2,198.00 Holley EFI Pro Dash, 12.3" - Touchscreen, data logging, GPS $3,059.12