2003 Chevy Silverado Power Adders
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Wehrli Custom Fabrication®High Flow Turbo Intake KitChevy Silverado 6.6L 2003, High Flow Turbo Intake Kit by Wehrli Custom Fabrication®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality, performance and...Made to ensure the highest level of qualityPrecise engineering provides great longevity$377.33 - $401.58 - Wehrli Custom Fabrication®Stage 2 High Flow Turbo Intake KitChevy Silverado 6.6L 2003, Stage 2 High Flow Turbo Intake Kit by Wehrli Custom Fabrication®. This premium product is the best way to go for those looking for the highest quality replacement that offers supreme levels of quality,...Made to ensure the highest level of qualityPrecise engineering provides great longevity$495.48 - $545.63
- Banks®EconoMind™ Tuner PowerPack with iDash 1.8 DataMonster™ MonitorChevy Silverado LS / LT 6.6L 2003, EconoMind™ Tuner PowerPack with iDash 1.8 DataMonster™ Monitor by Banks®. PowerPack calibration: +100 hp/+230 lb-ft. Advanced tuning for towing/work delivers better fuel economy under all load...$1,059.00
- Banks®EconoMind™ Tuner PowerPack with iDash 1.8 Super Gauge™ MonitorChevy Silverado LS / LT 6.6L 2003, EconoMind™ Tuner PowerPack with iDash 1.8 Super Gauge™ Monitor by Banks®. Advanced tuning for towing/work delivers better fuel economy under all load conditions, adjust-on-the-fly power and...$939.00
- Banks®EconoMind™ Tuner with SwitchChevy Silverado 6.6L 2003, EconoMind™ Tuner with Switch by Banks®. Gain up to +100 hp and +230 lb-ft at rear wheels. Advanced tuning for work and towing delivers better fuel economy under all load conditions, CleanTune Technology,...$739.00
- Banks®Six-Gun™ Tuner with iDash 1.8 DataMonster™ MonitorChevy Silverado LS / LT 6.6L 2003, Six-Gun™ Tuner with iDash 1.8 DataMonster™ Monitor by Banks®. Optimum fuel tuning for awesome power, built-in safety and adjust-on-the-fly power. Calibrated for sport, Six-Gun is a fully engineered...$1,059.00
- Banks®Six-Gun™ Tuner with iDash 1.8 Super Gauge™ MonitorChevy Silverado LS / LT 6.6L 2003, Six-Gun™ Tuner with iDash 1.8 Super Gauge™ Monitor by Banks®. Calibrated for sport applications, Six-Gun delivers pavement-shredding power with CleanTune technology , which out-performs dirty,...$934.00
- JET®Dynamic Spectrum TunerChevy Silverado 2003, Dynamic Spectrum Tuner by JET®. Designed for the professional tuner who wants total control of the vehicle’s programming, the JET Dynamic Spectrum Tuner is a powerful tuning tool. JET’s DST software provides...$399.99
- JET®EZ-Tune ProgrammerChevy Silverado 2003, EZ-Tune Programmer by JET®. EZ-Tune Programmer is the economy version of the full Performance Programmer and is designed for the driver who only wants to change engine tuning and does not want to change...$269.96
- JET®Performance ProgrammerChevy Silverado 2003, Performance Programmer by JET®. The JET Performance Programmer lets you take control and program your own vehicle computer to match your driving style. JET's exclusive Tri-Power tuning allows you to program for...$337.49
- ATI Performance®PCS Simple Shift™ Handheld Tuner with CableChevy Silverado 2003, PCS Simple Shift™ Handheld Tuner with Cable by ATI Performance®. Get this top-of-the-line product thoroughly engineered to boost performance and unlock the full potential of your vehicle. Made with care and...Designed for enhanced engine performanceOffers excellent fuel economy$398.83
- ATS Diesel Performance®Atomizer™ Power ModuleChevy Silverado 6.6L 2003, Atomizer™ Power Module by ATS Diesel Performance®. The ATS Atomizer controls engine fuel rail pressures in order to maintain an optimal volume of fuel to the injectors. By doing this, the fuel droplets are...$554.90
- Accel®SuperTuner™ TunerChevy Silverado 2003, SuperTuner™ Tuner by Accel®. ACCEL's all-new SuperTuners boost power across your engine's entire rpm range. These revolutionary handheld tuners quickly and easily reprogram your vehicle for better all-around...$369.95
- DiabloSport®Trinity 2 EX™ ProgrammerChevy Silverado 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...$696.95
- Edge®EAS™ Shift-On-The-Fly Tuner SwitchChevy Silverado 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...Easy custom tunes change on the flyDesigned to deliver trouble-free, consistent performance$219.95
- Edge®EvoHT2™ ProgrammerChevy Silverado 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...$482.95
- Edge®Evolution CS2™ ProgrammerChevy Silverado 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®Juice with Attitude CS2™ ProgrammerChevy Silverado 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 &...$1,085.69
- Edge®Juice with Attitude CTS3™ Programmer KitChevy Silverado 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...$1,102.95
- Edge®Monitor Dash PodChevy Silverado 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...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
- JMS®Exhaust Gas Temperature Sensor KitChevy Silverado 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...High quality at an affordable priceExpertly made from premium materials$169.75
- Superchips®Dashpaq+™ Programmer KitChevy Silverado 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...$596.95 - $649.95
- Superchips®Dashpaq™ Tuner KitChevy Silverado 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...$578.95 - $642.95
- Edelbrock®Supercharger Pulley AdapterChevy Silverado 2003, Supercharger Pulley Adapter by Edelbrock®. Designed utilizing the latest technology, this product by Edelbrock features premium quality and will perform better than advertised. Perfect for your vehicle and...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$234.95 - $512.67
- Moroso®Supercharger Coolant TankChevy Silverado 3500 6.6L 2003, Supercharger Coolant Tank by Moroso®. with this quality part backed by a great price, you can enjoy your vehicle so much more than you thought was possible. this moroso part is specifically engineered to...Supercharged cars run hot so increased cooling capacity is a must for horsepowerFabricated of aluminum for strength — can be polished, chromed, powder coated or left as-is for a race look$344.99
- Takeda®Magnum FORCE Replacement Coupling KitMagnum FORCE Replacement Coupling Kit by Takeda®. This system is for the enthusiast who wants maximum performance from their sport compact. It positions a high flow performance air filter behind the bumper, where it can take in cooler,...Custom designed for each applicationDelivers more oxygen to the combustion chamber by drawing in cooler, denser air$9.00
- APR®Flex Air Intake Hose (3" ID x 3" flexible L)Flex Air Intake Hose by APR®. Make your engine function at its full efficiency by choosing from our comprehensive selection of top-grade performance air intake parts. Crafted by the industry-leading professionals who use the most...Excellent upgrade to get the most out of your rideDesigned to boost the maximum levels of driving enjoyment$19.95
- 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
- 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
- Banks®Frequency Input Pigtail HarnessUniversal Frequency Input Pigtail Harness by Banks®. Frequency input pigtail harness for 5-Ch Analog Module with frequency harness. Used to wire your custom frequency sensor into Banks 5-ch analog with frequency module. Contains 12V,...Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle$24.00
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2003 Chevy Silverado Models