Improve the performance and fuel economy in any 12/15 JK Wrangler with an RT Off-Road Throttle Body Spacer Kit. The heart of this kit is a 1″ thick black anodized aluminum spacer that is designed to provide a smoother, faster, and more dense air charge resulting in an increase in horsepower, torque, and fuel economy. Also included in the kit is a gasket and mounting hardware. This kit works with both factory and aftermarket air intake systems.