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1 Reviews from knowles_chad.
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| Hypertech Power Programmer III |
| Quality: |
| 5 |
| Features: |
| 5 |
| Installation: |
| 5 |
| Appearance: |
| 5 |
| Overall Rating: |
| 5 |
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| hypertech stage III power programmer |
| Written on August 29, 2008 12:55:49 AMVehicle: 1999 Chevrolet Silverado |
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| I bought the programmer for my 99 chevy silverado 5.3L. It gave me a very notice able horsepower and torque gain. I've put a lot of mods on my truck but this is the biggest gain by far. Now my truck screams when i ride around town. It works well with other mods. THANKS HYPERTECH |
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