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KD Custom ECM programming for Duramax LBZ and 2006 LLY-Race

Price: $895.00

Tunes available to produce up to 150-200RWHP gains while still remaining tame enough to act as a daily driver. Smooth shifting, lower EGT’s, and more power/response than many higher claimed generic tunes.

Installation Instructions

Category: Kennedy Custom
Sub-Category: Duramax LBZ

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