GMC Sierra 1500 HD Performance Computer Prom and Chips

Your GMC Sierra 1500 HD will be happy to know that the search for the right Performance Computer Prom and Chips you’ve been looking for is over! Advance Auto Parts has 2 different Performance Computer Prom and Chips for your vehicle, ready for shipping or in-store pick up. The best part is, our GMC Sierra 1500 HD Performance Computer Prom and Chips start from as little as $241.99.

When it comes to your GMC Sierra 1500 HD, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work with only top reliable Performance Computer Prom and Chips brands so you can shop with complete confidence. Some of our top Performance Computer Prom and Chips brands are Bully Dog. We’re sure you will get the right product to keep that Sierra 1500 HD running for a long time.

We even have reviews of our OEM and aftermarket Performance Computer Prom and Chips products to help you buy with confidence. Hear from other customers via the 36 reviews on parts for your GMC Sierra 1500 HD.

Shop online, find the best price on the right product, and have it shipped right to your door. If you prefer to shop in person for the right Performance Computer Prom and Chips for your Sierra 1500 HD, visit one of our local Advance Auto Parts locations and you’ll be back on the road in no time!

Compare 25 GMC Performance Computer Prom and Chips

Bully Dog – 50-State GT Gas Tuner (Part No.40410)

50-State GT Gas Tuner

from

$469.99
The GT Platinum Gas is four products in one; a vehicle engine tuner, monitor, gauge and diagnostic device all in a single unit. The GT dramatically improves the utility of your vehicle by increasing horsepower, improving fuel economy and providing a comprehensive set of monitoring features and diagnostic functions. This product is incomparable to other tuning products because it has the largest feature set and the widest range of vehicle applications from a single product part number.

Product Features:
  • HEADS UP DISPLAY – Monitor over 15 performance parameters at a glance with a dynamic LCD display mounted on a pillar, window, or dash. User set daytime and nighttime driving modes
  • MULTIPLE PRELOADED TUNES – Access four preloaded tunes with the touch of a few buttons to maximize performance in any situation.
  • CODE CLEARING – Diagnose and clear trouble codes to ensure proper engine operation.
  • Reads and Erases Diagnostic Trouble Codes
  • Display Over 15 Vehicle Parameters
  • Installation Is Easy-10-20 Minutes
  • Free Internet Updates And Upgrades
  • 30 Day Money Back Guarantee
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Bully Dog – GT Platinum Diesel Tuner (Part No.40420)

GT Platinum Diesel Tuner

from

$469.99
The GT Gas and Diesel tuners unlock more horsepower and torque to meet the unique demands you put on your vehicle. With preloaded tuning, customizable gauges to track performance, and a wide variety of hauling and off-roading features, you’ll have plenty of power to take on tough jobs or improved fuel economy for long highway hauls.

Product Features:
  • Track critical performance data in real-time on easy to navigate virtual gauges
  • Select between multiple street-tested, dyno-proven tunes for economy, towing or performance.
  • Reads and clears DTC (Diagnostic Trouble Codes) with ease
  • Manage tire size, gear ratio, speed limiter, speedometer calibrations, shift points, and more. Offering shift-on-the-fly tuning and better control of defueling and regeneration.
  • Product might not be available in all states due to local laws.
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Hypertech – Street Runner Power Computer Chip, with Overdrive (Part No.129141)

Street Runner Power Computer Chip, with Overdrive

from

$158.89
Hypertech Power Chips are engineered for stock 1981-1995 GM vehicles. The Power Chip contains the Hypertech Power Tuning data that controls the engine’s air/fuel ratio and spark advance for maximum power and performance, plus potential gas mileage improvements. Power Chips can be easily installed, using only hand tools. Street Runner Power Chips are designed for daily street driving or competition in unmodified vehicles using a stock thermostat.

Product Features:
  • Designed For Daily Street Driving
  • For Unmodified Vehicles w/Stock Thermostat
  • Controls Engines Air/Fuel Ratio
  • Controls Spark Advance For Max Power
  • Potential Gas Mileage Improvements
  • No Wiring Or Soldering Required
  • Installs In Less Than 30 Minutes
  • Product might not be available in all states due to local laws.
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Hypertech – Street Runner Power Computer Chip, with Overdrive (Part No.122571)

Street Runner Power Computer Chip, with Overdrive

from

$158.89
Hypertech Power Chips are engineered for stock 1981-1995 GM vehicles. The Power Chip contains the Hypertech Power Tuning data that controls the engine’s air/fuel ratio and spark advance for maximum power and performance, plus potential gas mileage improvements. Power Chips can be easily installed, using only hand tools. Street Runner Power Chips are designed for daily street driving or competition in unmodified vehicles using a stock thermostat.

Product Features:
  • Designed For Daily Street Driving
  • For Unmodified Vehicles w/Stock Thermostat
  • Controls Engines Air/Fuel Ratio
  • Controls Spark Advance For Max Power
  • Potential Gas Mileage Improvements
  • No Wiring Or Soldering Required
  • Installs In Less Than 30 Minutes
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Hypertech – Street Runner Power Computer Chip, with Overdrive (Part No.122121)

Street Runner Power Computer Chip, with Overdrive

from

$158.89
Hypertech Power Chips are engineered for stock 1981-1995 GM vehicles. The Power Chip contains the Hypertech Power Tuning data that controls the engine’s air/fuel ratio and spark advance for maximum power and performance, plus potential gas mileage improvements. Power Chips can be easily installed, using only hand tools. Street Runner Power Chips are designed for daily street driving or competition in unmodified vehicles using a stock thermostat.

Product Features:
  • Designed For Daily Street Driving
  • For Unmodified Vehicles w/Stock Thermostat
  • Controls Engines Air/Fuel Ratio
  • Controls Spark Advance For Max Power
  • Potential Gas Mileage Improvements
  • No Wiring Or Soldering Required
  • Installs In Less Than 30 Minutes
  • Product might not be available in all states due to local laws.
See More

Hypertech – Street Runner Power Computer Chip, with Overdrive (Part No.124091)

Street Runner Power Computer Chip, with Overdrive

from

$204.49
Hypertech Power Chips are engineered for stock 1981-1995 GM vehicles. The Power Chip contains the Hypertech Power Tuning data that controls the engine’s air/fuel ratio and spark advance for maximum power and performance, plus potential gas mileage improvements. Power Chips can be easily installed, using only hand tools. Street Runner Power Chips are designed for daily street driving or competition in unmodified vehicles using a stock thermostat.

Product Features:
  • Designed For Daily Street Driving
  • For Unmodified Vehicles w/Stock Thermostat
  • Controls Engines Air/Fuel Ratio
  • Controls Spark Advance For Max Power
  • Potential Gas Mileage Improvements
  • No Wiring Or Soldering Required
  • Installs In Less Than 30 Minutes
  • Product might not be available in all states due to local laws.
See More

Bully Dog – Watch Dog Economy Monitor (Part No.40400)

Watch Dog Economy Monitor

from

$241.99
Reads and erases diagnostic trouble codes (dtc’s). Tests horsepower, torque and performance. Internet updateable. Transferable to any applicable vehicle application. Easy to use capacitive touch buttons. Full color LCD.

Product Features:
  • Reads And Erases Diagnostic Trouble Codes (DTCs)
  • Tests HP/Torque And Performance
  • Internet Updateable
  • Transferable to Any Applicable Vehicle Application
  • Easy To Use Capacitive Touch Buttons
  • Full Color LCD
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Hypertech – ThermoMaster Power Computer Chip (Part No.154482)

ThermoMaster Power Computer Chip

from

$214.49
Hypertech ThermoMaster Power Chips are engineered for stock 1995-1981 GM vehicles (premium octane fuel required). The Power Chip contains the Hypertech Power Tuning data that controls the engine’s air/fuel ratio and spark advance for maximum power and performance, plus potential gas mileage improvements. Power Chips can be easily installed, using only hand tools. ThermoMaster Power Chips are designed for daily street driving or competition in unmodified vehicles using a 160 Deg. or 180 Deg. thermostat. Hypertech Power Chips(TM) are emissions certified 50-state legal (application specific).

Product Features:
  • Use w/Low-Temp 160-180 Deg. PowerStat Thermostat
  • Controls Engines Air/Fuel Ratio
  • Controls Spark Advance For Max Power
  • Potential Gas Mileage Improvements
  • No Wiring Or Soldering Required
  • Installs In Less Than 30 Minutes
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Hypertech – ThermoMaster Computer Power Chip, with Overdrive, California Model Only (Part No.851772)

ThermoMaster Computer Power Chip, with Overdrive, California Model Only

from

$214.49
Hypertech ThermoMaster Power Chips are engineered for stock 1995-1981 GM vehicles (premium octane fuel required). The Power Chip contains the Hypertech Power Tuning data that controls the engine’s air/fuel ratio and spark advance for maximum power and performance, plus potential gas mileage improvements. Power Chips can be easily installed, using only hand tools. ThermoMaster Power Chips are designed for daily street driving or competition in unmodified vehicles using a 160 Deg. or 180 Deg. thermostat. Hypertech Power Chips(TM) are emissions certified 50-state legal (application specific).

Product Features:
  • Use w/Low-Temp 160-180 Deg. PowerStat Thermostat
  • Controls Engines Air/Fuel Ratio
  • Controls Spark Advance For Max Power
  • Potential Gas Mileage Improvements
  • No Wiring Or Soldering Required
  • Installs In Less Than 30 Minutes
See More

Hypertech – ThermoMaster Power Computer Chip, with Overdrive (Part No.358782)

ThermoMaster Power Computer Chip, with Overdrive

from

$214.49
Hypertech ThermoMaster Power Chips are engineered for stock 1995-1981 GM vehicles (premium octane fuel required). The Power Chip contains the Hypertech Power Tuning data that controls the engine’s air/fuel ratio and spark advance for maximum power and performance, plus potential gas mileage improvements. Power Chips can be easily installed, using only hand tools. ThermoMaster Power Chips are designed for daily street driving or competition in unmodified vehicles using a 160 Deg. or 180 Deg. thermostat. Hypertech Power Chips(TM) are emissions certified 50-state legal (application specific).

Product Features:
  • Use w/Low-Temp 160-180 Deg. PowerStat Thermostat
  • Controls Engines Air/Fuel Ratio
  • Controls Spark Advance For Max Power
  • Potential Gas Mileage Improvements
  • No Wiring Or Soldering Required
  • Installs In Less Than 30 Minutes
  • Product might not be available in all states due to local laws.
See More

Hypertech – ThermoMaster Power Computer Chip, with Overdrive (Part No.124002)

ThermoMaster Power Computer Chip, with Overdrive

from

$214.49
Hypertech ThermoMaster Power Chips are engineered for stock 1995-1981 GM vehicles (premium octane fuel required). The Power Chip contains the Hypertech Power Tuning data that controls the engine’s air/fuel ratio and spark advance for maximum power and performance, plus potential gas mileage improvements. Power Chips can be easily installed, using only hand tools. ThermoMaster Power Chips are designed for daily street driving or competition in unmodified vehicles using a 160 Deg. or 180 Deg. thermostat. Hypertech Power Chips(TM) are emissions certified 50-state legal (application specific).

Product Features:
  • Use w/Low-Temp 160-180 Deg. PowerStat Thermostat
  • Controls Engines Air/Fuel Ratio
  • Controls Spark Advance For Max Power
  • Potential Gas Mileage Improvements
  • No Wiring Or Soldering Required
  • Installs In Less Than 30 Minutes
  • Product might not be available in all states due to local laws.
See More

Hypertech – ThermoMaster Power Chip (Part No.153032)

ThermoMaster Power Chip

from

$214.49
Hypertech ThermoMaster Power Chips are engineered for stock 1995-1981 GM vehicles (premium octane fuel required). The Power Chip contains the Hypertech Power Tuning data that controls the engine’s air/fuel ratio and spark advance for maximum power and performance, plus potential gas mileage improvements. Power Chips can be easily installed, using only hand tools. ThermoMaster Power Chips are designed for daily street driving or competition in unmodified vehicles using a 160 Deg. or 180 Deg. thermostat. Hypertech Power Chips(TM) are emissions certified 50-state legal (application specific).

Product Features:
  • Use w/Low-Temp 160-180 Deg. PowerStat Thermostat
  • Controls Engines Air/Fuel Ratio
  • Controls Spark Advance For Max Power
  • Potential Gas Mileage Improvements
  • No Wiring Or Soldering Required
  • Installs In Less Than 30 Minutes
See More

Hypertech – ThermoMaster Power Computer Chip (Part No.123172)

ThermoMaster Power Computer Chip

from

$214.49
Hypertech ThermoMaster Power Chips are engineered for stock 1995-1981 GM vehicles (premium octane fuel required). The Power Chip contains the Hypertech Power Tuning data that controls the engine’s air/fuel ratio and spark advance for maximum power and performance, plus potential gas mileage improvements. Power Chips can be easily installed, using only hand tools. ThermoMaster Power Chips are designed for daily street driving or competition in unmodified vehicles using a 160 Deg. or 180 Deg. thermostat. Hypertech Power Chips(TM) are emissions certified 50-state legal (application specific).

Product Features:
  • Use w/Low-Temp 160-180 Deg. PowerStat Thermostat
  • Controls Engines Air/Fuel Ratio
  • Controls Spark Advance For Max Power
  • Potential Gas Mileage Improvements
  • No Wiring Or Soldering Required
  • Installs In Less Than 30 Minutes
  • Product might not be available in all states due to local laws.
See More

Hypertech – ThermoMaster Power Chip (Part No.124102)

ThermoMaster Power Chip

from

$214.49
Hypertech ThermoMaster Power Chips are engineered for stock 1995-1981 GM vehicles (premium octane fuel required). The Power Chip contains the Hypertech Power Tuning data that controls the engine’s air/fuel ratio and spark advance for maximum power and performance, plus potential gas mileage improvements. Power Chips can be easily installed, using only hand tools. ThermoMaster Power Chips are designed for daily street driving or competition in unmodified vehicles using a 160 Deg. or 180 Deg. thermostat. Hypertech Power Chips(TM) are emissions certified 50-state legal (application specific).

Product Features:
  • Use w/Low-Temp 160-180 Deg. PowerStat Thermostat
  • Controls Engines Air/Fuel Ratio
  • Controls Spark Advance For Max Power
  • Potential Gas Mileage Improvements
  • No Wiring Or Soldering Required
  • Installs In Less Than 30 Minutes
  • Product might not be available in all states due to local laws.
See More

Hypertech – ThermoMaster Power Chip (Part No.153702)

ThermoMaster Power Chip

from

$214.49
Hypertech ThermoMaster Power Chips are engineered for stock 1995-1981 GM vehicles (premium octane fuel required). The Power Chip contains the Hypertech Power Tuning data that controls the engine’s air/fuel ratio and spark advance for maximum power and performance, plus potential gas mileage improvements. Power Chips can be easily installed, using only hand tools. ThermoMaster Power Chips are designed for daily street driving or competition in unmodified vehicles using a 160 Deg. or 180 Deg. thermostat. Hypertech Power Chips(TM) are emissions certified 50-state legal (application specific).

Product Features:
  • Use w/Low-Temp 160-180 Deg. PowerStat Thermostat
  • Controls Engines Air/Fuel Ratio
  • Controls Spark Advance For Max Power
  • Potential Gas Mileage Improvements
  • No Wiring Or Soldering Required
  • Installs In Less Than 30 Minutes
See More

Hypertech – ThermoMaster Power Computer Chip, with Overdrive (Part No.122272)

ThermoMaster Power Computer Chip, with Overdrive

from

$214.49
Hypertech ThermoMaster Power Chips are engineered for stock 1995-1981 GM vehicles (premium octane fuel required). The Power Chip contains the Hypertech Power Tuning data that controls the engine’s air/fuel ratio and spark advance for maximum power and performance, plus potential gas mileage improvements. Power Chips can be easily installed, using only hand tools. ThermoMaster Power Chips are designed for daily street driving or competition in unmodified vehicles using a 160 Deg. or 180 Deg. thermostat. Hypertech Power Chips(TM) are emissions certified 50-state legal (application specific).

Product Features:
  • Use w/Low-Temp 160-180 Deg. PowerStat Thermostat
  • Controls Engines Air/Fuel Ratio
  • Controls Spark Advance For Max Power
  • Potential Gas Mileage Improvements
  • No Wiring Or Soldering Required
  • Installs In Less Than 30 Minutes
  • Product might not be available in all states due to local laws.
See More

Hypertech – ThermoMaster Power Chip (Part No.123612)

ThermoMaster Power Chip

from

$214.49
Hypertech ThermoMaster Power Chips are engineered for stock 1995-1981 GM vehicles (premium octane fuel required). The Power Chip contains the Hypertech Power Tuning data that controls the engine’s air/fuel ratio and spark advance for maximum power and performance, plus potential gas mileage improvements. Power Chips can be easily installed, using only hand tools. ThermoMaster Power Chips are designed for daily street driving or competition in unmodified vehicles using a 160 Deg. or 180 Deg. thermostat. Hypertech Power Chips(TM) are emissions certified 50-state legal (application specific).

Product Features:
  • Use w/Low-Temp 160-180 Deg. PowerStat Thermostat
  • Controls Engines Air/Fuel Ratio
  • Controls Spark Advance For Max Power
  • Potential Gas Mileage Improvements
  • No Wiring Or Soldering Required
  • Installs In Less Than 30 Minutes
  • Product might not be available in all states due to local laws.
See More

Hypertech – ThermoMaster Power Computer Chip (Part No.124482)

ThermoMaster Power Computer Chip

from

$214.49
Hypertech ThermoMaster Power Chips are engineered for stock 1995-1981 GM vehicles (premium octane fuel required). The Power Chip contains the Hypertech Power Tuning data that controls the engine’s air/fuel ratio and spark advance for maximum power and performance, plus potential gas mileage improvements. Power Chips can be easily installed, using only hand tools. ThermoMaster Power Chips are designed for daily street driving or competition in unmodified vehicles using a 160 Deg. or 180 Deg. thermostat. Hypertech Power Chips(TM) are emissions certified 50-state legal (application specific).

Product Features:
  • Use w/Low-Temp 160-180 Deg. PowerStat Thermostat
  • Controls Engines Air/Fuel Ratio
  • Controls Spark Advance For Max Power
  • Potential Gas Mileage Improvements
  • No Wiring Or Soldering Required
  • Installs In Less Than 30 Minutes
  • Product might not be available in all states due to local laws.
See More

Hypertech – ThermoMaster Power Computer Chip, with Overdrive (Part No.153732)

ThermoMaster Power Computer Chip, with Overdrive

from

$214.49
Hypertech ThermoMaster Power Chips are engineered for stock 1995-1981 GM vehicles (premium octane fuel required). The Power Chip contains the Hypertech Power Tuning data that controls the engine’s air/fuel ratio and spark advance for maximum power and performance, plus potential gas mileage improvements. Power Chips can be easily installed, using only hand tools. ThermoMaster Power Chips are designed for daily street driving or competition in unmodified vehicles using a 160 Deg. or 180 Deg. thermostat. Hypertech Power Chips(TM) are emissions certified 50-state legal (application specific).

Product Features:
  • Use w/Low-Temp 160-180 Deg. PowerStat Thermostat
  • Controls Engines Air/Fuel Ratio
  • Controls Spark Advance For Max Power
  • Potential Gas Mileage Improvements
  • No Wiring Or Soldering Required
  • Installs In Less Than 30 Minutes
See More

Hypertech – ThermoMaster Power Computer Chip, with Overdrive (Part No.122612)

ThermoMaster Power Computer Chip, with Overdrive

from

$214.49
Hypertech ThermoMaster Power Chips are engineered for stock 1995-1981 GM vehicles (premium octane fuel required). The Power Chip contains the Hypertech Power Tuning data that controls the engine’s air/fuel ratio and spark advance for maximum power and performance, plus potential gas mileage improvements. Power Chips can be easily installed, using only hand tools. ThermoMaster Power Chips are designed for daily street driving or competition in unmodified vehicles using a 160 Deg. or 180 Deg. thermostat. Hypertech Power Chips(TM) are emissions certified 50-state legal (application specific).

Product Features:
  • Use w/Low-Temp 160-180 Deg. PowerStat Thermostat
  • Controls Engines Air/Fuel Ratio
  • Controls Spark Advance For Max Power
  • Potential Gas Mileage Improvements
  • No Wiring Or Soldering Required
  • Installs In Less Than 30 Minutes
  • Product might not be available in all states due to local laws.
See More

Hypertech – ThermoMaster Power Computer Chip, with Overdrive (Part No.351572)

ThermoMaster Power Computer Chip, with Overdrive

from

$214.49
Hypertech ThermoMaster Power Chips are engineered for stock 1995-1981 GM vehicles (premium octane fuel required). The Power Chip contains the Hypertech Power Tuning data that controls the engine’s air/fuel ratio and spark advance for maximum power and performance, plus potential gas mileage improvements. Power Chips can be easily installed, using only hand tools. ThermoMaster Power Chips are designed for daily street driving or competition in unmodified vehicles using a 160 Deg. or 180 Deg. thermostat. Hypertech Power Chips(TM) are emissions certified 50-state legal (application specific).

Product Features:
  • Use w/Low-Temp 160-180 Deg. PowerStat Thermostat
  • Controls Engines Air/Fuel Ratio
  • Controls Spark Advance For Max Power
  • Potential Gas Mileage Improvements
  • No Wiring Or Soldering Required
  • Installs In Less Than 30 Minutes
  • Product might not be available in all states due to local laws.
See More

Hypertech – ThermoMaster Power Chip (Part No.153622)

ThermoMaster Power Chip

from

$214.49
Hypertech ThermoMaster Power Chips are engineered for stock 1995-1981 GM vehicles (premium octane fuel required). The Power Chip contains the Hypertech Power Tuning data that controls the engine’s air/fuel ratio and spark advance for maximum power and performance, plus potential gas mileage improvements. Power Chips can be easily installed, using only hand tools. ThermoMaster Power Chips are designed for daily street driving or competition in unmodified vehicles using a 160 Deg. or 180 Deg. thermostat. Hypertech Power Chips(TM) are emissions certified 50-state legal (application specific).

Product Features:
  • Use w/Low-Temp 160-180 Deg. PowerStat Thermostat
  • Controls Engines Air/Fuel Ratio
  • Controls Spark Advance For Max Power
  • Potential Gas Mileage Improvements
  • No Wiring Or Soldering Required
  • Installs In Less Than 30 Minutes
See More

Hypertech – ThermoMaster Power Computer Chip, without Overdrive (Part No.122292)

ThermoMaster Power Computer Chip, without Overdrive

from

$214.49
Hypertech ThermoMaster Power Chips are engineered for stock 1995-1981 GM vehicles (premium octane fuel required). The Power Chip contains the Hypertech Power Tuning data that controls the engine’s air/fuel ratio and spark advance for maximum power and performance, plus potential gas mileage improvements. Power Chips can be easily installed, using only hand tools. ThermoMaster Power Chips are designed for daily street driving or competition in unmodified vehicles using a 160 Deg. or 180 Deg. thermostat. Hypertech Power Chips(TM) are emissions certified 50-state legal (application specific).

Product Features:
  • Use w/Low-Temp 160-180 Deg. PowerStat Thermostat
  • Controls Engines Air/Fuel Ratio
  • Controls Spark Advance For Max Power
  • Potential Gas Mileage Improvements
  • No Wiring Or Soldering Required
  • Installs In Less Than 30 Minutes
  • Product might not be available in all states due to local laws.
See More

Hypertech – ThermoMaster Power Computer Chip (Part No.123002)

ThermoMaster Power Computer Chip

from

$214.49
Hypertech ThermoMaster Power Chips are engineered for stock 1995-1981 GM vehicles (premium octane fuel required). The Power Chip contains the Hypertech Power Tuning data that controls the engine’s air/fuel ratio and spark advance for maximum power and performance, plus potential gas mileage improvements. Power Chips can be easily installed, using only hand tools. ThermoMaster Power Chips are designed for daily street driving or competition in unmodified vehicles using a 160 Deg. or 180 Deg. thermostat. Hypertech Power Chips(TM) are emissions certified 50-state legal (application specific).

Product Features:
  • Use w/Low-Temp 160-180 Deg. PowerStat Thermostat
  • Controls Engines Air/Fuel Ratio
  • Controls Spark Advance For Max Power
  • Potential Gas Mileage Improvements
  • No Wiring Or Soldering Required
  • Installs In Less Than 30 Minutes
  • Product might not be available in all states due to local laws.
See More

Hypertech – ThermoMaster Power Computer Chip, with Overdrive (Part No.124012)

ThermoMaster Power Computer Chip, with Overdrive

from

$214.49
Hypertech ThermoMaster Power Chips are engineered for stock 1995-1981 GM vehicles (premium octane fuel required). The Power Chip contains the Hypertech Power Tuning data that controls the engine’s air/fuel ratio and spark advance for maximum power and performance, plus potential gas mileage improvements. Power Chips can be easily installed, using only hand tools. ThermoMaster Power Chips are designed for daily street driving or competition in unmodified vehicles using a 160 Deg. or 180 Deg. thermostat. Hypertech Power Chips(TM) are emissions certified 50-state legal (application specific).

Product Features:
  • Use w/Low-Temp 160-180 Deg. PowerStat Thermostat
  • Controls Engines Air/Fuel Ratio
  • Controls Spark Advance For Max Power
  • Potential Gas Mileage Improvements
  • No Wiring Or Soldering Required
  • Installs In Less Than 30 Minutes
  • Product might not be available in all states due to local laws.
See More

FAQs for GMC Sierra 1500 HD Performance Computer Prom and Chips

What are the most popular Performance Computer Prom and Chips for the GMC Sierra 1500 HD?

With 1 brands you can trust, our most popular Performance Computer Prom and Chips for the GMC Sierra 1500 HD are:
50-State GT Gas Tuner
from $469.99
(9)
50-State GT Gas Tuner
Performance Computer Prom and Chips
Watch Dog Economy Monitor
from $241.99
This product is not rated
Watch Dog Economy Monitor
Performance Computer Prom and Chips