Increases Capabilities. You want maximum performance from your Sierra and this Whipple W140AX 2.3L Intercooled Supercharger Tuner Kit is a great way to get it. The twin-screw supercharger delivers big, pouring on tons more horsepower and torque so you can feel a big difference. Just as important, once installed the kit almost looks like it comes straight from GMC, thanks to a precision fit and overall high-quality appearance.

Ruggedly Crafted. Whipple decided to use a high-quality aluminum for most of the components in this kit. As a result, they're plenty durable, resist heat and don't add a lot of extra weight.

Complete Kit. Unlike some kits, this Supercharger Kit is a full solution. It comes with everything you need to add tons of extra power, including the pulleys, pipes and mounting hardware. Whipple has perfected how the entire kit works together, so it even improves efficiency for better fuel consumption.

Application. Whipple has designed this Whipple W140AX 2.3L Intercooled Supercharger Tuner Kit to fit on 2007-2013 GMC Sierras with the 5.3L V8 engine.

Fitment: 2007 2008 2009 2010 2011 2012 2013 Details