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2019 Silverado CUSTOM Trail Boss 5.3 AFM 6 SPD Tuning

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Moderators: mikel, 06MonteSS


Posts: 1
I've got a 2019 Silverado Custom Trail Boss with the 5.3 AFM motor & 6 speed trans. It does not have DFM or auto stop/start but it is the new body style. Do I have any options for tuning or am I out of luck?


Posts: 55155
Location: DiabloSport World Headquarters

If its the new body its out of luck unfortunately.
Mike Litsch
Powerteq Customer Service Manager
Diablo Tech support by phone:
561-908-0040x4
M-F 8:00 AM to 5:00 PM EST


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