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The GM Flashpaq performance programmer (PN 2847) for 2017-2019 (Legacy Body Style trucks only)gas vehicles includes tunes engineered with the daily driver, heavy tower, and enthusiast in mind. With various power levels from performance, tow, to economy, the Flashpaq tuner for GM sends instant power to your gas Chevy Silverado, GMC Sierra, or your Camaro in just minutes. The GM Flashpaq coverage is extensive and includes the most sought-after applications, features, and power improvements for your Chevy or GMC truck, SUV, or car.