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Dodge Challenger 6.4L (392 HEMI) MoPower Custom Tune with Livernois MyCal Handheld

Dodge Challenger 6.4L (392 HEMI) MoPower Custom Tune with Livernois MyCal Handheld The Dodge Challenger 6.4L 392 HEMI (Scat Pack, SRT) delivers serious muscle from the factory — but MoPower Calibrations takes it further with a custom performance ECU tune. Bundled with the Livernois MyCal ha..

$499.99 Ex Tax: $499.99