Westin Grate Step Running Boards 01-26 GM 2500HD/3500HD Standard/Double/Extended Cab HS-131001-4 you get a traditional six

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

and Made In The USA

the MAHLE G32802 is constructed from durable steel designed to withstand the extreme temperatures and pressure found in diesel exhaust systems

Designed on the computer using computational fluid dynamics

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

Westin Grate Step Running Boards 01-26 GM 2500HD/3500HD Standard/Double/Extended Cab HS-131001-4 you get a traditional sixReady 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