2003 GMC Sierra Performance Chips
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- 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
- Banks®iDash 1.8 DataMonster™ Monitor Upgrade KitGMC Sierra 6.6L 2003, iDash 1.8 DataMonster™ Monitor Upgrade Kit by Banks®. Banks iDash is the smallest, most powerful plug-n-play monitor and control interface on the market. With its easy to read 2- to 8-gauge user selectable LCD...$425.00
- DiabloSport®Trinity 2 MX™ MonitorGMC Sierra 4.8L / 5.3L / 6.0L / 8.1L Gas 2003, Trinity 2 MX™ Monitor by DiabloSport®. The Trinity 2 MX is the most advanced digital gauge solution on the market. An eye-catching, 5" capacitive-touch screen gives you the sharpest...$520.95
- Edge®Insight CS2™ MonitorGMC Sierra 2003, Insight CS2™ Monitor by Edge®. Specially created to provide the ultimate level of vehicle, the CS2 monitor plugs in to any OBD II compatible vehicle port. Fault codes and check engine lights can be diagnosed and...$317.15
- Edge®Insight CTS3™ Digital Gauge MonitorGMC Sierra 2003, Insight CTS3™ Digital Gauge Monitor by Edge®. Insight is the #1 preferred digital gauge monitor in the market today, used by daily drivers and enthusiasts everywhere. Engineered to be the most comprehensive,...$462.95
- Superchips®Flashcal F5™ Calibration ToolGMC Sierra 2003, Flashcal F5™ Calibration Tool by Superchips®. If you are a truck owner who is looking for a device to help calibrate for your large aftermarket tires, read/clear trouble codes, adjust your speed limiter and more, then...$238.95
- ATI Performance®PCS Simple Shift™ Transmission ControllerGMC Sierra 2003, PCS Simple Shift™ Transmission Controller by ATI Performance®. Simple Shift is the latest breakthrough in electronic overdrive transmission control. No laptops or hand-held tuning devices are required to completely...$179.49 - $941.26
- ATI Performance®PCS™ Automatic Transmission ControllerGMC Sierra 2003, PCS™ Automatic Transmission Controller by ATI Performance®. The Powertrain Control Solutions, LLC. Universal Automatic Transmission Controller is a fully programmable transmission control system. Through a friendly PC...Upshift/Downshift button capability (Paddle shifting and Button shifting)Selectable shifting modes (ex. Power, towing, economy)$226.26 - $1,086.29
- JET®Speedometer CalibratorGMC Sierra 2003, Speedometer Calibrator by JET®. JET Performance Accu-Speed interacts with the vehicle speed sensor on late model GM, Ford, Dodge, and Jeep trucks and SUVs. It connects to the transmission to allow shift point adjustment...Designed to modify speed sensor output readingsConnects to the transmission output speed sensor$179.96
- ATS Diesel Performance®Co-Pilot™ Look-Up Transmission Controller KitGMC Sierra 2003, Co-Pilot™ Look-Up Transmission Controller Kit by ATS Diesel Performance®. Converting your GM Duramax with the Allison transmission from a 5 speed to a 6 speed will lower rpms going down the highway and will allow for...$617.50 - $1,317.18
- Fast®TCI EZ-TCU™ Overdrive Transmission Controller KitGMC Sierra 2003, TCI EZ-TCU™ Overdrive Transmission Controller Kit by Fast®. Includes: Trans Control Unit, Hand-Held Display, OEM-Quality Wiring Harness. Easy Electronic Overdrive Transmission Control for computer controlled...$765.95
- MSD®Atomic™ Transmission ControllerGMC Sierra 2003, Atomic™ Transmission Controller by MSD®. There is no reason to settle on just three gears or the kickdown linkage of an automatic transmission with the number of electronically controlled four speed automatics that...$869.95
- 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
- Auto Meter®Full A-Pillar Tuner Mount with SpeakerGMC Sierra 2003, Full A-Pillar Tuner Mount with Speaker by Auto Meter®. 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, this product...Clean OEM-like fit & finish - Gauges do not obstruct the driver's view of the road and are positioned at optimum viewing angles for at-a-glance readingsFor use with Edge Attitude and one 2-1/16" AutoMeter gauge$91.95
- ATI Performance®PCS Simple Shift™ Transmission HarnessGMC Sierra 2003, PCS Simple Shift™ Transmission Harness by ATI Performance®. Simple Shift is the latest breakthrough in electronic overdrive transmission control. No laptops or hand-held tuning devices are required to completely...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$179.49
- ATI Performance®PCS™ Transmission HarnessGMC Sierra 4-Speed 4L80-E Transmission 2003, PCS™ Transmission Harness by ATI Performance®. Designed utilizing the latest technology, this product by ATI Performance features premium quality and will perform better than advertised....Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$226.26
- Edge®Juice with Attitude™ CS2/CTS2 to CTS3 Programmer Upgrade KitGMC Sierra 6.6L 2003, Juice with Attitude™ CS2/CTS2 to CTS3 Programmer Upgrade Kit by Edge®. Make something old, new again with this upgrade kit that will convert a CS2 and CTS2 Juice with Attitude to Edge latest CTS3 display. This...Updates current CS2 and CTS2 Juice systems with new CTS3 monitorIncludes new windshield mount$409.95
- Edge®A-Pillar Display MountGMC Sierra 2003, A-Pillar Display Mount by Edge®. This video camera with night vision technology comes with an anti-theft locking bracket that mounts directly to your vehicle’s rear license plate. The cable runs directly to the...Images play on your Edge Attitude, Insight or Evolution color touch screen (CTS) monitor (sold separately)Not available on manual transmission vehicles$69.95
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