aFe Silver Bullet Throttle Body Spacer 2018+ Jeep Wrangler (JL) V6 3.6L Shocks They were designed to plug

They were designed to plug into the factory headlight connectors

Significantly Improved Throttle Response and Turbo Spool-up

Prius Plug-In 2015

2007-2014 GMC Sierra 3500 HD WT GAS Crew Cab Pickup

aFe Silver Bullet Throttle Body Spacer 2018+ Jeep Wrangler (JL) V6 3.6L Shocks They were designed to plugSilver 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.