Westin Grate Step Running Boards 01-26 GM 2500HD/3500HD Standard/Double/Extended Cab HS-131001-4 Designed on the computer using

Designed on the computer using computational fluid dynamics

This kit also includes 3 mandrel-bent polished aluminum pipes and Mishimoto DuraCore boots and constant tension T-bolt clamps

you get a traditional six position chip that plugs directly into your truck's PCM to deliver big power gains that are shift on the fly for ease of use

Many will take the option to simply block off the relief valve

and Made In The USA

Westin Grate Step Running Boards 01-26 GM 2500HD/3500HD Standard/Double/Extended Cab HS-131001-4 Designed on the computer usingReady to have a fun summer with stylish running boards for your truck? Built from solid onepiece steel, these running boards are engineered for durability in both work and daily driving environments. An Ecoated base layer combined with a textured black finish helps resist corrosion for a long lasting look! Every set of Grate Steps features a wide 6 1 4 inch stepping surface and an aggressive 1 4 inch raised punched tread pattern that promotes strong