2003 Bully Dog Parts

Choose a Make for your 2003 vehicle


Showing 1 - 10 of 32 products
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Bully Dog
  • GT Gas Performance Tuner/Monitor
  • Four Products In One-Vehicle Engine Tuner/Monitor/Gauge/Diagnostic Device; Now With Custom Tuning;Not Legal For Use/Sale In California On Pollution Controlled Vehicle Pyrometer Temperature Warning~Regular 85 Octane~Rev Limiter~Speed Limiter~Tire Size~Transmission Shift Points~Transmission Temperature Warning~Unlock Driver Door~Auto Door Lock~Coolant Temperature Warning~Head Light Delay~Horn Chirp On Lock~Optical Flash On Lock
  • GT: tuner; gauge; and monitor all-in-one. Transform the performance of your engine with this GT offering the widest application coverage of any Bully Dog product before
  • Bully Dog GT Platinum Programmer
  • Product Attributes:
    • WARNING CA Proposition 65: No
  • Features:
    • Four Products In One
    • Power Tuning Features
    • Economy Features
    • Monitoring Features
    • How the GT Gas Improves Towing
    • Now With Custom Tuning
  • The GT Platinum is four products in one remarkable unit: a vehicle engine tuner, monitor, gauge, and diagnostic device all in a single unit. The remarkable GT transforms the utility of your vehicle by increasing horsepower, improving fuel economy, and providing a comprehensive set of monitoring features and diagnostic functions. Other tuning products don't hold a candle to the Triple Dog GT - it has the largest feature set and the widest range of vehicle applications from a single product. Bully Dog tuning devices will not modify or delete vehicle emissions. Bully Dog products that are purchased comply with the Clean Air Act. Tunes that are preloaded in our devices have gone through hours of testing to ensure the safety of the drivers and the environment overall. Custom tuners are required to follow the guidelines of the Clean Air Act as they develop their own tunes for our devices. Register your device online at registerwithbullydog.com to get a free gift and access to the latest updates and information. For help with your device, visit bullydog.com and click Support. There you will find several tools and articles as well as ways to connect with our technical support team.

Additional Fitment Information:
Vehicle Block CC Engine CID
2003 - Dodge Ram 3500 V - 8 Cyl 5.7L 345

Bully Dog
  • GT Diesel Performance Tuner/Monitor
  • Adjustable; Four Products In One-Vehicle Engine Tuner/Monitor/Gauge/Diagnostic Devise; Increased HP/Torque; Now With Custom Tuning;Not Legal For Use/Sale In California On Pollution Controlled Vehicle Pyrometer~Speed Limiter~Tire Size~Towing~Unlock Driver Door~Auto Door Lock~Boost~Coolant Temperature~Extreme~Head Light Delay~Horn Chirp On Lock~Idle Adjust~Low End Power~Optical Flash On Lock~Performance
  • The GT Diesel delivers everything you want in a Gauge Tuner; multiple power levels for fuel economy; monitoring features and programmable engine parameter alerts. It?s power with a purpose! This product does not support any changes to your
  • Triple Dog GT™ Diesel Gauge Tuner
  • Product Attributes:
    • WARNING CA Proposition 65: No
  • Features:
    • Huge Horsepower And Torque Gains
    • Improved Fuel Economy
    • Display Over 15 Vehicle Parameters
    • Reads and Erases Diagnostic Trouble Codes
    • Four On-The-Fly Power Levels
    • Easy Installation
    • Free Internet Updates And Upgrades
    • 30 Day Money Back Guarantee
    • Now With Custom Tuning
  • The triple dog gauge tuner is a vehicle engine tuner, monitor, gauge and diagnostic device all in a single unit. The GT dramatically improves the utility of several vehicle applications by providing an increase in horsepower and torque and by improving fuel economy through better engine tuning. The GT monitors and displays over fifteen different vehicle parameters (PIDs) and it includes our all new driving coach feature which teaches end users to maximize their vehicles fuel economy potential. The GT performs vehicle diagnostics by reading and erasing diagnostic trouble codes; this level of vehicle transparency isn't offered by any OEM or by any other aftermarket product. Also included is our performance testing feature designed to test a vehicles performance capability on the drag strip; couple this with our free PC analysis software and users can also determine vehicle horsepower. The GT does it all and it works on most late model diesel pickups including Dodge, Ford and GM. Bully Dog tuning devices will not modify or delete vehicle emissions. Bully Dog products that are purchased comply with the Clean Air Act. Tunes that are preloaded in our devices have gone through hours of testing to ensure the safety of the drivers and the environment overall. Custom tuners are required to follow the guidelines of the Clean Air Act as they develop their own tunes for our devices. Register your device online at registerwithbullydog.com to get a free gift and access to the latest updates and information. For help with your device, visit bullydog.com and click Support. There you will find several tools and articles as well as ways to connect with our technical support team.

Additional Fitment Information:
Vehicle Block CC Engine CID
2003 - Dodge Ram 3500 L - 6 Cyl 5.9L 359

Bully Dog
  • BDX Performance Programmer
  • Adjustable; Gauge Monitor;Not Legal For Sale Or Use In California Supports JTEC+ ECM Module
  • The latest Bully Dog Handheld pairs sleek design with Cloud Updates
  • BDX Performance Tuner
  • Product Attributes:
    • WARNING CA Proposition 65: No
  • Features:
    • Sleek design with easy-to-use push-button interface
    • Built-in Wi-Fi for calibration and firmware updates via the cloud
    • Monitor key vehicle data on full-color on-screen virtual gauges
    • Flash-and-go convenience from a stylish handheld device
    • Data logging and monitoring of critical engine parameters
    • Storage space for up to 10 tunes from custom tuning dealer
  • Bully Dog tuning devices will not modify or delete vehicle emissions. Bully Dog products that are purchased comply with the Clean Air Act. Tunes that are preloaded in our devices have gone through hours of testing to ensure the safety of the drivers and the environment overall. Custom tuners are required to follow the guidelines of the Clean Air Act as they develop their own tunes for our devices. Register your device online at registerwithbullydog.com to get a free gift and access to the latest updates and information. For help with your device, visit bullydog.com and click Support. There you will find several tools and articles as well as ways to connect with our technical support team.

Additional Fitment Information:
Vehicle Block CC Engine CID
2003 - Dodge Viper V 8275 10 Cyl 8.3L 505

Bully Dog
  • GT Gas Performance Tuner/Monitor
  • Four Products In One-Vehicle Engine Tuner/Monitor/Gauge/Diagnostic Device; Now With Custom Tuning;Not Legal For Use/Sale In California On Pollution Controlled Vehicle Pyrometer Temperature Warning~Regular 85 Octane~Speed Limiter~Tire Size~Transmission Shift Firmness~Transmission Temperature Warning~Adjust: Axle Ratio~Coolant Temperature Warning
  • GT: tuner; gauge; and monitor all-in-one. Transform the performance of your engine with this GT offering the widest application coverage of any Bully Dog product before
  • Bully Dog GT Platinum Programmer
  • Product Attributes:
    • WARNING CA Proposition 65: No
  • Features:
    • Four Products In One
    • Power Tuning Features
    • Economy Features
    • Monitoring Features
    • How the GT Gas Improves Towing
    • Now With Custom Tuning
  • The GT Platinum is four products in one remarkable unit: a vehicle engine tuner, monitor, gauge, and diagnostic device all in a single unit. The remarkable GT transforms the utility of your vehicle by increasing horsepower, improving fuel economy, and providing a comprehensive set of monitoring features and diagnostic functions. Other tuning products don't hold a candle to the Triple Dog GT - it has the largest feature set and the widest range of vehicle applications from a single product. Bully Dog tuning devices will not modify or delete vehicle emissions. Bully Dog products that are purchased comply with the Clean Air Act. Tunes that are preloaded in our devices have gone through hours of testing to ensure the safety of the drivers and the environment overall. Custom tuners are required to follow the guidelines of the Clean Air Act as they develop their own tunes for our devices. Register your device online at registerwithbullydog.com to get a free gift and access to the latest updates and information. For help with your device, visit bullydog.com and click Support. There you will find several tools and articles as well as ways to connect with our technical support team.

Additional Fitment Information:
Vehicle Block CC Engine CID
2003 - GMC Savana 2500 V 5328 8 Cyl 5.3L 325

Bully Dog
  • BDX Performance Programmer
  • Adjustable; Gauge Monitor;Not Legal For Sale Or Use In California Rev Limiter~RPM Based Spark~Speed Limiter~Transmission Shift Firmness~Transmission Shift Points~Adjust: Axle Ratio
  • The latest Bully Dog Handheld pairs sleek design with Cloud Updates
  • BDX Performance Tuner
  • Product Attributes:
    • WARNING CA Proposition 65: No
  • Features:
    • Sleek design with easy-to-use push-button interface
    • Built-in Wi-Fi for calibration and firmware updates via the cloud
    • Monitor key vehicle data on full-color on-screen virtual gauges
    • Flash-and-go convenience from a stylish handheld device
    • Data logging and monitoring of critical engine parameters
    • Storage space for up to 10 tunes from custom tuning dealer
  • Bully Dog tuning devices will not modify or delete vehicle emissions. Bully Dog products that are purchased comply with the Clean Air Act. Tunes that are preloaded in our devices have gone through hours of testing to ensure the safety of the drivers and the environment overall. Custom tuners are required to follow the guidelines of the Clean Air Act as they develop their own tunes for our devices. Register your device online at registerwithbullydog.com to get a free gift and access to the latest updates and information. For help with your device, visit bullydog.com and click Support. There you will find several tools and articles as well as ways to connect with our technical support team.

Additional Fitment Information:
Vehicle Block CC Engine Sub Model CID
2003 - GMC Sierra 1500 V - 8 Cyl 4.8L Base 294

Bully Dog
  • BDX Performance Programmer
  • Adjustable; Gauge Monitor;Not Legal For Sale Or Use In California Rev Limit Drv~Rev Limit Neu.~Rev Limiter~RPM Based Spark~Spark 0-2000~Spark 2000-4000~Spark 4000-8000~Speed Limiter~Transmission Shift Firmness~Transmission Shift Points~WOT Fuel/Air~WOT Shift 1-2~WOT Shift 2-3~WOT Shift 3-4~Adjust: Axle Ratio~Fuel Octane
  • The latest Bully Dog Handheld pairs sleek design with Cloud Updates
  • BDX Performance Tuner
  • Product Attributes:
    • WARNING CA Proposition 65: No
  • Features:
    • Sleek design with easy-to-use push-button interface
    • Built-in Wi-Fi for calibration and firmware updates via the cloud
    • Monitor key vehicle data on full-color on-screen virtual gauges
    • Flash-and-go convenience from a stylish handheld device
    • Data logging and monitoring of critical engine parameters
    • Storage space for up to 10 tunes from custom tuning dealer
  • Bully Dog tuning devices will not modify or delete vehicle emissions. Bully Dog products that are purchased comply with the Clean Air Act. Tunes that are preloaded in our devices have gone through hours of testing to ensure the safety of the drivers and the environment overall. Custom tuners are required to follow the guidelines of the Clean Air Act as they develop their own tunes for our devices. Register your device online at registerwithbullydog.com to get a free gift and access to the latest updates and information. For help with your device, visit bullydog.com and click Support. There you will find several tools and articles as well as ways to connect with our technical support team.

Additional Fitment Information:
Vehicle Block CC Engine Sub Model CID
2003 - GMC Yukon V 5328 8 Cyl 5.3L SLT 325

Bully Dog
  • BDX Performance Programmer
  • Adjustable; Gauge Monitor;Not Legal For Sale Or Use In California
  • The latest Bully Dog Handheld pairs sleek design with Cloud Updates
  • BDX Performance Tuner
  • Product Attributes:
    • WARNING CA Proposition 65: No
  • Features:
    • Sleek design with easy-to-use push-button interface
    • Built-in Wi-Fi for calibration and firmware updates via the cloud
    • Monitor key vehicle data on full-color on-screen virtual gauges
    • Flash-and-go convenience from a stylish handheld device
    • Data logging and monitoring of critical engine parameters
    • Storage space for up to 10 tunes from custom tuning dealer
  • Bully Dog tuning devices will not modify or delete vehicle emissions. Bully Dog products that are purchased comply with the Clean Air Act. Tunes that are preloaded in our devices have gone through hours of testing to ensure the safety of the drivers and the environment overall. Custom tuners are required to follow the guidelines of the Clean Air Act as they develop their own tunes for our devices. Register your device online at registerwithbullydog.com to get a free gift and access to the latest updates and information. For help with your device, visit bullydog.com and click Support. There you will find several tools and articles as well as ways to connect with our technical support team.

Additional Fitment Information:
Vehicle Block CC Engine CID
2003 - Chevrolet Express 3500 V - 8 Cyl 4.8L 294

Bully Dog
  • BDX Performance Programmer
  • Adjustable; Gauge Monitor;Not Legal For Sale Or Use In California Requires Purchase of Custom Tune
  • The latest Bully Dog Handheld pairs sleek design with Cloud Updates
  • BDX Performance Tuner
  • Product Attributes:
    • WARNING CA Proposition 65: No
  • Features:
    • Sleek design with easy-to-use push-button interface
    • Built-in Wi-Fi for calibration and firmware updates via the cloud
    • Monitor key vehicle data on full-color on-screen virtual gauges
    • Flash-and-go convenience from a stylish handheld device
    • Data logging and monitoring of critical engine parameters
    • Storage space for up to 10 tunes from custom tuning dealer
  • Bully Dog tuning devices will not modify or delete vehicle emissions. Bully Dog products that are purchased comply with the Clean Air Act. Tunes that are preloaded in our devices have gone through hours of testing to ensure the safety of the drivers and the environment overall. Custom tuners are required to follow the guidelines of the Clean Air Act as they develop their own tunes for our devices. Register your device online at registerwithbullydog.com to get a free gift and access to the latest updates and information. For help with your device, visit bullydog.com and click Support. There you will find several tools and articles as well as ways to connect with our technical support team.

Additional Fitment Information:
Vehicle Block CC Engine CID
2003 - GMC Sonoma V - 6 Cyl 4.3L 262

Bully Dog
  • GT Gas Performance Tuner/Monitor
  • Four Products In One-Vehicle Engine Tuner/Monitor/Gauge/Diagnostic Device; Now With Custom Tuning;Not Legal For Use/Sale In California On Pollution Controlled Vehicle Pyrometer Temperature Warning~Regular 85 Octane~Rev Limiter~Speed Limiter~Tire Size~Transmission Shift Firmness~Transmission Shift Points~Transmission Temperature Warning~Active Fuel Management (AFM)~Adjust: Axle Ratio~Coolant Temperature Warning
  • GT: tuner; gauge; and monitor all-in-one. Transform the performance of your engine with this GT offering the widest application coverage of any Bully Dog product before
  • Bully Dog GT Platinum Programmer
  • Product Attributes:
    • WARNING CA Proposition 65: No
  • Features:
    • Four Products In One
    • Power Tuning Features
    • Economy Features
    • Monitoring Features
    • How the GT Gas Improves Towing
    • Now With Custom Tuning
  • The GT Platinum is four products in one remarkable unit: a vehicle engine tuner, monitor, gauge, and diagnostic device all in a single unit. The remarkable GT transforms the utility of your vehicle by increasing horsepower, improving fuel economy, and providing a comprehensive set of monitoring features and diagnostic functions. Other tuning products don't hold a candle to the Triple Dog GT - it has the largest feature set and the widest range of vehicle applications from a single product. Bully Dog tuning devices will not modify or delete vehicle emissions. Bully Dog products that are purchased comply with the Clean Air Act. Tunes that are preloaded in our devices have gone through hours of testing to ensure the safety of the drivers and the environment overall. Custom tuners are required to follow the guidelines of the Clean Air Act as they develop their own tunes for our devices. Register your device online at registerwithbullydog.com to get a free gift and access to the latest updates and information. For help with your device, visit bullydog.com and click Support. There you will find several tools and articles as well as ways to connect with our technical support team.

Additional Fitment Information:
Vehicle Block CC Engine CID
2003 - Chevrolet Express 3500 V - 8 Cyl 4.8L 294

Bully Dog
  • A-Pillar Pod Mount Silverado/Sierra w/speaker 1500-3500 99-07(Classic)
  • For Use w/GT w/T-slot Adapter; Paintable; w/Speaker; Requires PN[30420] To Install GT Or Watchdog
  • A-Pillar Pod Mount Silverado/Seirra w/speaker 1500-3500 99-07(Classic)
  • A-Pillar Pod Mount
  • Product Attributes:
    • WARNING CA Proposition 65: No
  • Features:
    • Cleanest Install For PMT
    • Very Simple Installation
    • Can Be Matched To Any Interior Color
    • Provide Excellent Viewing For Safe Driving
    • Custom Designed For Best Fit And Finish
    • Includes Speaker Cutout
  • The custom a-pillar mounting system is the cleanest install for the PMT. Installation is very simple, these custom a-pillar mounts simply slide over the top of the stock a-pillar. Some a-pillars come to match vehicle interior colors, but all of the custom a-pillars can be painted to match any vehicle interior color. This pillar also has holes for the stock pillar speaker.

Additional Fitment Information:
Vehicle Sub Model
2003 - Chevrolet Silverado 2500 HD LT
Showing 1 - 10 of 32 products

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