Rough Country's JK / JL /JT Throttle Body Spacer helps you gain increased torque and performance from your Jeep! Engineered with a Spiraling Helix design, this durable, aluminum spacer forces incoming air into a high velocity vortex that aids in a more powerful and efficient fuel combustion process. This process offers improved torque performance and increased fuel economy. Each kit features a corrosion-resistant, red anodized aluminum body for a long lifespan of great looks and performance. This easy-to-install performance upgrade features a 100% bolt-on installation process that can be attached in no time flat! No tuning or re-programming required, simply bolt-on and begin enjoying increased torque and performance today! Fits w/ 3.6L engines. Not for use in California pending Air Resource Board Exemption Jeep Throttle Body Spacer [12-20 JK / JL / JT] Estimated Install Time: 1-2 hours Items Included: Throttle Body Spacer .