Fits: 2005–2013 Jeep Grand Cherokee 2006–2010 Jeep Commander 2007–2012 Jeep Liberty 2007–2013 Jeep Wrangler aFe77-16202Programmers & TunersSilver Bullet throttle body spacers create turbulence in the air flow at the point just prior entry into the engine increasing horsepower, torque and improving throttle response and fuel efficiency. Silver Bullet throttle body spacers are constructed out of durable T-6061 billet aluminum and using a unique serrated/helix entry to create turbulence at the manifold while eliminating the annoying whistle found in other helix only throttle spacers.aFe Sprint Boosters offer your ride an adrenaline kick! Designed for ETC systems, or drive-by-wire, these simple-to-install power modules plug into the OE connector located behind the accelerator pedal--no wires to cut. aFe Sprint Boosters deliver improved acceleration and reduce throttle response time. They will not affect your vehicle's electronic system and offer three settings for better drivability: factory (off), sport (green), and race (red). Raise the performance level of your ride with aFe Sprint Boosters.
