Rough Country's 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!Easy bolt-on installation. Improved torque performance. Increased fuel economy.ONLY fits models with 3.6L engines. Not for sale in California or other states adopting carb regulations.1-2 hourshttps://s3.amazonaws.com/roughcountry/install/921056100.pdf2020-2022:4WD:Jeep:Gladiator JT;2012-2018:4WD:Jeep:Wrangler JK (2 Door);2012-2018:4WD:Jeep:Wrangler JK Unlimited;2018-2022:4WD:Jeep:Wrangler JL (2 Door);2018-2022:4WD:Jeep:Wrangler JL Unlimited