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Kennedy Custom ECM programming for Duramax LML-Autocal

Price: $995.00

Kennedy Custom ECM programming pre-loaded onto an Autocal handheld tuner. Allows easy loading of tunes. Also includes a stock backup file of the vehicle original tune.

“Both my 2012 and my 2016 trucks are running Kennedy Custom ECM programming with all emissions equipment intact. Response is greatly improved and I routinely see 20+ mpg in mixed driving. -JK

Category: Kennedy Custom
Sub-Category: Duramax LML-LGH

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