GMC Sierra 1500 gets the PaxPower Jackal treatment with up to 650 hp

GMC Sierra 1500 PaxPower JackalGMC offers off-road-ready versions of the Sierra 1500 in the form of the AT4 and AT4X, but if that isn't enough capability, Texas-based PaxPower has an aftermarket solution. The PaxPower Jackal package further upgrades the off-road capability of mid-2022-2024 GMC Sierra 1500 pickups, adding long-travel suspension, widened bodywork, and a...

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