Ignitions and Electrical› Computers, Chips, Modules and Programmers
Bully Dog
Bully Dog Big Rig Heavy Duty GT 550 Upgrade (each)
SKU: B00J 46551
Easy — 1–2 hours
Description
Fitment
Fitment Guaranteed
Don’t gamble
on fit.
Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.
Available on iOS & Android
Specifications
| Brand | Bully Dog |
| Part Number | B00J 46551 |
Videos
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How To: Change From One Vehicle To Another On BULLY DOG GT
MAJOR POWER! Bully Dog Performance Programmer
How To: Change Power Levels On BULLY DOG GT Diesel
Buy with Confidence
Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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