2020-2023 GMC Sierra 2500 HD SLT AT4 Denali SLE Base Pro : 401 & Cylinder: 8 & Block: V) – IntakeAuthority.com

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SKU: 7266-R

Chevrolet, GMC (6.6) Computer Chip Programmer
- Delivers ready-to-load performance tunes for stronger power, better drivability, and improved towing on your 6.6 gas GM truck
- Supports custom tuning and accepts custom tunes from CMR for a setup dialed in to your exact combination
- Built-in data logging lets you monitor and analyze real-world engine performance
- Easy-to-read color display keeps key information clear and accessible
- Includes speedometer functionality to help keep readings accurate after modifications
- Backed by the proven DiabloSport Predator 2 7266-R platform
$749.95
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