Review on π Innovative Performance Chip/Power Programmer for GMC Sierra 1500 2.7L, 3.0L, 4.3L, 4.8L, 5.0L, 5.3L, 5.7L, 6.0L, 6.2L engines - Enhance Fuel Efficiency, Save Gas & Boost MPG, Amplify Horsepower & Torque! by Mark Deuschle
Does as advertised.
Pretty good product, works almost as advertised but takes a few cycles for the truck to pick up the unit and start working. You may need to disconnect the battery and leave the computer running before it picks up the device. Device.
- All high performance chips are proudly backed by our unbeatable 100% money back guarantee and lifetime warranty! A properly maintained vehicle is required for a performance chip to function and be advertised properly. Results may vary.
- Operating Speed
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