2024 - 2025 L5P Duramax 2500 3500 4500 | Pickup and Cab Chassis | HP Tuners
$1,200.00
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** The E42 ECM has Global B security and requires to be sent into HP Tuners to be unlocked*** 2024–2025 Chevy Silverado / GMC Sierra 2500–3500 (L5P) Increase in Mileage Increase in Horsepower Increase in Torque Compatible with: 2024–2025 Chevy Silverado / GMC Sierra 2500 3500 4500 (L5P) 2500 3500 4500 Pickup and Cab Chassis trucks Tune Power Levels Stock Power 30HP (Heavy Tow) 80HP (Can tow 12k Lbs and under) 120HP 150HP 180HP 200HP
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