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APR Tunes | GRD Tuning

APR Tunes

APR’s ECU/TCU Upgrades are the best dollar-per-horsepower modification one can make to your engine. The upgrades dramatically increase horsepower and torque, making for an exceptionally quicker and more exciting vehicle. This is made possible through APR’s optimization of the factory engine management system to take full advantage of the engine’s capabilities, without needing any end user adjustment.  Furthermore, for those looking for tuning with a limited powertrain warranty, APR Plus has you covered!

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