Answer
Dec 29, 2025 - 06:36 AM
Yes , the Lethal Performance Fuel Line Upgrade with Rails (99–01 Cobra / 03–04 Mach-1) is designed to be compatible with stock-style injectors.
Do the stock style injectors fit? Lethal Performance 99-01 Cobra / 03-04 Mach-1 Fuel Line Upgrade w/Fuel Rails
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Open Feb 19, 2026 - 06:26 AM
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Lethal Performance 99-01 Cobra / 03-04 Mach-1 Fuel Line Upgrade w/Fuel Rails
Lethal Performance 99-01 Cobra / 03-04 Mach-1 Fuel Line Upgrade w/Fuel Rails Lethal Performance is proud to offer our own fuel line upgrade kit with fuel rails. This kit is not for the everyday Mustang enthusiast, but for those who are seeking that extra Horsepower but can't seem to find a way t...
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