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Matt Holliday was one of Crutchfield's ace car enthusiasts for several years. He brought a lifetime of knowledge and experience to our team.
He has since left the company to join the family business and pursue other interests. Our day money-back guarantee Product Highlights: automotive tuning computer downloads custom program through your vehicle's OBDII port improves horsepower and torque plug-and-play operation simple to return settings back to stock optimizes shift points and firmness on automatic vehicles adjusts top-speed limiter to match tire rating extends RPM range for a wider powerband allows you to choose between settings for 87 or 93 octane fuel permits use of low-temperature thermostat limited lifetime warranty MFR See all reasons.
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Sort by: Date reviewed Rating Helpfulness. Items per page: 20 40 View page: Prev Next. Verified customer What's this? Verified employee purchase What's this? Pros: Cons:. Have questions for. Crutchfield response. Researched by Crutchfield's Research Team. On most vehicles, you can adjust the following: Top-Speed Limiter: You can raise the top-speed limiter to match the speed rating of factory-approved high-performance tires for your vehicle. This produces a cooler, denser intake charge that helps the engine produce more power.
Transmission Adjustments: You can electronically adjust shift firmness for faster acceleration, reduced clutch slippage, and cooler transmission oil temperatures. Transmission shift points can also be individually optimized for each gear for maximum performance. Accurate readings are required by law. Back-to-Stock Programming Anytime: The module can download and store your factory stock programming, enabling you to reprogram back to stock tuning or change your option settings at any time.
Audition speakers before you buy. Virtual Audio technology allows you to compare sonic characteristics between speakers so you can make a more informed shopping decision. SpeakerCompare simulates the sound of home and car speakers through your headphones. And if you want to return your settings back to stock, it's as simple as the press of a button.
Benefits vary from vehicle to vehicle, but every Power Programmer improves horsepower and torque, alters shift points and shift firmness, and can raise your rev limiter.
You can also adjust your settings to allow for the use of a low-temperature thermostat, so you can keep your engine's heat in check. This Programmer allows you to set up three separate tuning stages for a variety of applications, such as racing, towing, or fuel efficiency.
If you are running a non-stock tire size or gear ratio, you can enter this information into the Programmer to compensate for the differences.
This allows your vehicle's top speed to match the speed rating on your tires, and corrects your speedometer and odometer readings. Please enter your vehicle information or call a Sales Advisor at to find out if this model is compatible with your vehicle.
Thanks for taking the time to share your experiences with other customers. Please see our review guidelines for help and information. By submitting this review, you agree to our terms and review guidelines. The Power Programmer III reprograms the flash memory chip inside your vehicle's engine and transmission controlling computer.
If you wish to program a second vehicle, the first vehicle must first be reprogrammed back to stock. The second vehicle must use the same part number and application. A connecting cable is supplied. The programmer should immediately identify your vehicle on the LCD screen and perform a self-test, checking for diagnostic trouble codes DTCs. Other options will require the use of the "Up" and "Down" buttons. Once the questions have been answered and the options chosen, the programmer will "write" the program to the vehicle's computer.
The power gain depends upon how will the engine was tuned by the manufacturer, and is specific to each vehicle. On most vehicles, you can adjust the following:. Dual Fuel Option: The "Dual Fuel" option for some vehicles lets you choose Power Tuning calibrations for regular 87 octane or premium 93 octane gasoline.
The tuning program for regular gasoline produces significant performance improvements in engines that are designed to burn economical unleaded fuel.
When maximum power is important, you can choose Power Tuning calibrations for premium gasoline. Note: If your vehicle doesn't have the Dual Fuel option, the Power Tuning program will require premium gas to maximize engine performance and reliability.
Factory Warranty Information: Federal law prohibits a dealer from voiding your warranty just because you are using aftermarket equipment with only two exceptions. The warranty can be voided if the aftermarket part causes damage or adversely affects the emission system. For free personalized advice, call Our Advisors have listened to most of the speakers we carry, and can help you make the best choice for your system.
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Phone Please enter your US phone number. Please choose one:. For Tech Support, call Begin chat. Thank you,! Your Advisor,. Order number. Billing zip code. Billing last name. Virtual agent:. No Yes You said. Your phone number. Look up order. Virtual agent: Would you like to schedule a callback from Tech Support? Virtual agent: Thanks! We found your order info. Please fill out the following and we'll have someone from Tech Support call you back at your convenience.
Your phone number Please enter a valid digit phone number. When should we call you back? Callback time. Results 1 to 11 of Add Thread to del. Thread Tools Show Printable Version. About how much power would i gain from a the hypertech power programmer 3 on a ls1 m6 i can get a pretty good deal on a used one. Share Share this post on Digg Del. Anyone out there that has one and did you really feel a difference? On a auto, we lost 1hp and 3ftlbs with the hypertech installed.
We drove the car for a couple of weeks with the hypertech tuning installed, made three dynos then took the tuning out.
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