2003 GMC Sierra Performance Tuners & Programmers
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DiabloSport®Predator 2™ TunerGMC Sierra 2003, Predator 2™ Tuner by DiabloSport®. The legendary Predator Performance Tuner has made a return! For 10 years, the Predator was known as one of the most rock solid performance tuners ever made, and now it's back with a...$389.95 - $403.95 - DiabloSport®Trinity 2 EX Platinum™ ProgrammerGMC Sierra 2003, Trinity 2 EX Platinum™ Programmer by DiabloSport®. The Trinity 2 EX is hands down, the most feature-packed performance tuner, monitor, diagnostic, and data logging device on the planet. The T2 has no peer in terms of...$696.95
- DiabloSport®Trinity 2 EX™ ProgrammerGMC Sierra without E-Assist 2003, Trinity 2 EX™ Programmer by DiabloSport®. The Trinity 2 EX is hands down, the most feature packed performance tuner, monitor, diagnostic and data logging device on the planet. The T2 has no peer in...$696.95
- DiabloSport®inTune i3 Platinum™ ProgrammerGMC Sierra 2003, inTune i3 Platinum™ Programmer by DiabloSport®. The Platinum i3 is designed for those who want the best of both worlds, pre-loaded, high-performance tunes in addition to custom tuning capability. While DiabloSport...$419.95
- DiabloSport®inTune i3™ ProgrammerGMC Sierra 2003, inTune i3™ Programmer by DiabloSport®. DiabloSport’s 3rd generation inTune, the “i3”, brings the same great power, features, and application coverage that has established the brand as a “must-have” for...$419.95
- Edge®EvoHT2™ ProgrammerGMC Sierra 2003, EvoHT2™ Programmer by Edge®. The EvoHT is a premium hand-held performance tuner from Edge Products. The EvoHT was developed specifically to give you the most power at the best price, with industry leading service and...$482.95
- Edge®Evolution CS2™ ProgrammerGMC Sierra 2003, Evolution CS2™ Programmer by Edge®. Edge’s Evolution CS2 is a crowd favorite so why “fix something if it isn’t broken?” The Evolution CS2 is the sleekest in-cab monitor and programmer in the market. If...$499.95
- Edge®Evolution CTS3™ ProgrammerGMC Sierra 2003, Evolution CTS3™ Programmer by Edge®. Introducing the next generation Evolution CTS3: all-new, full-Color Touch Screen CTS3. The CTS3 will continue to include all of the great features, benefits, and extended...$614.95 - $745.95
- Edge®Juice with Attitude CS2™ ProgrammerGMC Sierra 6.6L 2003, Juice with Attitude CS2™ Programmer by Edge®. Power Level 1: 40 hp & 150 lb-ft. Power Level 2: 60 hp & 180 lb-ft. Power Level 3: 75 hp & 200 lb-ft. Power Level 4: 90 hp & 250 lb-ft. Power Level 5: 125 hp & 325...$1,085.69
- Edge®Juice with Attitude CTS3™ Programmer KitGMC Sierra 6.6L 2003, Juice with Attitude CTS3™ Programmer Kit by Edge®. The Juice with Attitude is Edge’s most advanced product line. The Juice controls your truck's injection timing and duration to deliver maximum performance and...$1,102.95
- Superchips®Dashpaq+™ Programmer KitGMC Sierra 2003, Dashpaq+™ Programmer Kit by Superchips®. Power and cutting-edge features are now available at your fingertips for your vehicle with the Dashpaq+. Take your vehicle to the next level with impressive pre-loaded tunes....$596.95 - $649.95
- Superchips®Dashpaq™ Tuner KitGMC Sierra 2003, Dashpaq™ Tuner Kit by Superchips®. This dual purpose product delivers big power and also provides an in-cab monitor to keep an eye on critical engine parameters like coolant temp, transmission temp, battery voltage...$578.95 - $642.95
- Superchips®Flashpaq F5™ TunerGMC Sierra 2003, Flashpaq F5™ Tuner by Superchips®. Introducing the all-new Flashpaq F5 performance tuner from Superchips. With it’s new, easy-to-use graphic interface, high-resolution color screen, scan features, and tuning levels,...$399.95
- JMS®Exhaust Gas Temperature Sensor KitGMC Sierra 2500 HD 2003, Exhaust Gas Temperature Sensor Kit by JMS®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind. It will meet your...High quality at an affordable priceExpertly made from premium materials$169.75
- Edge®EAS™ Shift-On-The-Fly Tuner SwitchGMC Sierra 6.6L 2003, EAS™ Shift-On-The-Fly Tuner Switch by Edge®. Edges all-new EAS Shift-On-The-Fly (SOTF) allows you to change custom tunes on the fly utilizing the Insight CS2 or CTS2. Customers can now change tunes right on the...Easy custom tunes change on the flyDesigned to deliver trouble-free, consistent performance$219.95
- Edge®Monitor Dash PodGMC Sierra 2003, Monitor Dash Pod by Edge®. The Edge Dash Pod houses any Attitude, Evolution or Insight unit and allows dashboard mounting for an original OEM look. The Insight CTS requires an additional adapter piece sold separately....Secures Attitude, Evolution and Insight units and any applicable adapter pieces in place on your dashboard at eye level for easy useDesigned to match the exact contours of your vehicle for an even fit that looks OEM$70.56
- SCT Performance®4-Bank™ Switch ChipUniversal 4-Bank™ Switch Chip by SCT Performance®. SCT's single program and 5 program, four bank custom chips are specifically tuned for your car or truck by one of SCT's Custom Tuning dealers world wide.Easily switch between custom tunes using the optional Dial SelectorCan be custom tuned by one of SCT's Custom Tuning dealers world wide$352.99
- JET®Power Control ModuleUniversal Power Control Module by JET®. Dynamic Spectrum Tuning provides power gains across the entire power band-not just at full throttle. Point by point air/fuel ratio, ignition advance and various other tuning points provide...Provide Horse Powers Performance GainEasily Installed In Less Than 30 Minutes$259.46
- Z Automotive®Video CableUniversal Video Cable by Z Automotive®. This cable is used for easy installation of a front video camera. Simply connect the camera video/power plugs to the cable at the front of the car, route the cable to your radio, and connect video...Meant for performance, made with expertiseAllows for easy personalized modifications$33.95
- Edge®EAS™ Backup Camera with USB AdapterUniversal EAS™ Backup Camera with USB Adapter by Edge®. Introducing Edge Products new Back-Up Camera compatible with the all-new CTS3 products. The back-up camera is a must have for those safety-conscious drivers and those who want to...License plate mountDurable black metal finish$237.95
- Holley®Sniper EFI Digital DashUniversal Sniper EFI Digital Dash by Holley®. With over twice the resolution and improved color depth, the new 5-inch Digital Dash for the Sniper EFI family provides enhanced functionality at your fingertips. Three pre-loaded and...$409.95
- Nitrous Oxide Systems®Mini 2-Stage Nitrous Controller ProgrammerMini 2-Stage Nitrous Controller Programmer by Nitrous Oxide Systems®. Replacement Hand Held Color LCD 2.4” Touch Screen Display Programmer with Micro SD Memory Card to Store Tunes and Software Updates. Designed utilizing the latest...$129.95
- ATI Performance®PCS™ Throttle Position Sensor UnitUniversal PCS™ Throttle Position Sensor Unit by ATI Performance®. The Powertrain Control Solutions, LLC. Universal Automatic Transmission Controller is a fully programmable transmission control system. Through a friendly PC Windows...Upshift/Downshift button capability (Paddle shifting and Button shifting)Selectable shifting modes (ex. Power, towing, economy)$135.75
- DiabloSport®EAS™ AccessoriesUniversal EAS™ Accessories by DiabloSport®. This kit for the monitors provides one EGT sensor cable for monitoring critical exhaust gas temperature, and one EAS Starter Kit Cable which allows a user to connect multiple EGT or other...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$38.92 - $205.95
- Edge®EAS™ Exhaust Gas Temperature SensorUniversal EAS™ Exhaust Gas Temperature Sensor by Edge®. The EAS Competition Kit gives users the ability to monitor EGTs and add an additional 0-100 PSIg boost and -40F to 300F temp sensors for ultimate control. This kit is designed...Specifically designed for operation with CS and CTS monitorsEGT Cable included has a sensor on one end that screws into exhaust system, and connector on the other that clips into the included EAS Starter cable$20.32 - $876.95
- Edge®Juice with Attitude™ Replacement EGT SensorUniversal Juice with Attitude™ Replacement EGT Sensor by Edge®. Designed utilizing the latest technology, this product by Edge features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle,...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$42.95
- Superchips®EAS™ AccessoriesUniversal EAS™ Accessories by Superchips®. With the EAS system a user can connect multiple EGT sensors to monitor temperatures in different locations and compare readings to be even more precise. The ability to daisy-chain multiple...Designed for enhanced engine performanceOffers excellent fuel economy$38.92 - $205.95
- SCT Performance®Livewire TS+™ Programmer OBDII CableUniversal Livewire TS+™ Programmer OBDII Cable by SCT Performance®. These cables are for use with SCT Performance Livewire TS Performance Programmer and Monitor and SCT Performance SF3 Power Flash Programmer to enable monitoring and...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$25.00
- Bully Dog®Programmer OBDII BlockUniversal Programmer OBDII Block by Bully Dog®. Designed utilizing the latest technology, this product features premium quality and will perform better than advertised. Perfect for your vehicle and lifestyle, it is manufactured to meet...Interface between GT or Watchdog and OBDII portPlugs in under dash to interface with vehicle$34.99
- SCT Performance®Eliminator™ 5 Position Chip SwitchUniversal Eliminator™ 5 Position Chip Switch by SCT Performance®. SCT's single program and 5 program, four bank custom chips are specifically tuned for your car or truck by one of SCT's Custom Tuning dealers world wide.Easily switch between custom tunes using the optional Dial SelectorCan be custom tuned by one of SCT's Custom Tuning dealers world wide$10.00
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