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66793
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66793

$987.78

Derringer Tuner

Adds up to +61 hp & +112 lb-ft
13% quicker 50-70mph passing time
With iDash DataMonster
For 2017-2019 Chevy/GMC 2500/3500 HD 6.6L Duramax, L5P
Color: Blue, Purple, White
Size: 20, 24
Material: 100% Polyester
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