A4 Step Bars For GM Silverado/Sierra Extended Cab (AL4003B)

TrailFX A6 running boards are constructed from weatherproof extruded aluminum and finished with a matte black titanium powder coat for extreme durability in all climates. The unique profile of these boards compliments all vehicle styles. The wide, secure stepping surface makes entry and exit safe and comfortable. It also creates a protective barrier between the lower rocker panel area and potential road debris that may cause paint damage. The track mounting system that supports the boards installs quickly and easily, and limited lifetime warranty guarantee years of worry-free enjoyment.