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KD Custom ECM programming for Duramax LLY-Race level

Price: $895.00

Dual mode switchable tuning allows you to have your choice of two tunes available at all times! Tunes available to produce anywhere from 40HP economy to 200 RWHP. DSP2 switch included with purchase.

“This item requires your ECM be sent in OR exchange ECM can be provided.” – JK

Dyno Plot

Race Dyno Plot

When comparing dyno numbers, please note that my dyno plots do NOT use correction factors. These are no BS dyno runs with no inflation to make sales. -JK

Category: Kennedy Custom
Sub-Category: Duramax LLY

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