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  1. Engine, Drivetrain
    I thought I would point out something that may not have been obvious. I've been selling the FAST XFI kits for the 5.7/6.1 HEMIs since inception for about $3K, but if you are really looking for a lower cost alternative you can use the EZ-EFI retro kit. All you do is use the 302000 EZ kit ($825)...
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