AMP Research 1999-2006 Chevy/GMC Silverado/Sierra Extended/Crew PowerStep - Black 2016-gmc-sierra-3500-hd-slt-esi5544288 A simple 30 minute install

A simple 30 minute install will give you a huge increase in power

ACL Holden 2

The serrated/helix design (US PAT 07055513) creates turbulence in the intake manifold and increases air pressure in the combustion chamber for better performance

Borla(r) presents their premium dual 2

Connects directly into the original plugs on the vehicle

AMP Research 1999-2006 Chevy/GMC Silverado/Sierra Extended/Crew PowerStep - Black 2016-gmc-sierra-3500-hd-slt-esi5544288 A simple 30 minute installGetting into your truck shouldn't feel like climbing Mount Everest. That's why AMP Research invented the patented PowerStep , the automatic, electric powered running board that instantly extends when you open your door, and retracts out of sight when the doors close for improved ground clearance, aerodynamics and appearance. Its sleek design, all weather performance and legendary reliability set the industry standard. High strength, die cast aluminum