Silver 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. PartNumber : afe46-37002 Description : Silver Bullet Throttle Body Spacer 2008-2012 Honda Accord EX V6.3471cc Air Intake Systems::Throttle Body Spacers 2008-2014 Honda Accord EX-L V6.3471cc Air Intake Systems::Throttle Body Spacers 2013-2014 Honda Accord Touring V6.3471cc Air Intake Systems::Throttle Body Spacers