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The AMP Research PowerStep Xtreme is built for extreme conditions, offering aggressive traction and durable construction for owners who face mud, snow or rough terrain. Designed for 2014–2019 Silverado and Sierra 1500–3500 models (excludes dually), the plug‑and‑play black XTreme features OEM-quality motors, dual-motor drive, LED illumination and a corrosion-resistant finish for heavy-duty use.
AMP Research 2014-2017 Silverado/Sierra 1500 Extended/Crew PowerStep Xtreme - Black
