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 : afe46-38005 Description : Silver Bullet Throttle Body Spacer 2008-2012 Toyota Sequoia Limited V8.5663cc Air Intake Systems::Throttle Body Spacers 2008-2012 Toyota Sequoia Platinum V8.5663cc Air Intake Systems::Throttle Body Spacers 2008-2012 Toyota Sequoia SR5 V8.5663cc Air Intake Systems::Throttle Body Spacers 2014 Toyota Tundra 1794 Edition V8.5663cc Air Intake Systems::Throttle Body Spacers 2010-2013 Toyota Tundra Base V8.4608cc Air Intake Systems::Throttle Body Spacers 2007-2012 Toyota Tundra Base V8.5663cc Air Intake Systems::Throttle Body Spacers 2010 Toyota Tundra Limited V8.4608cc Air Intake Systems::Throttle Body Spacers 2007-2014 Toyota Tundra Limited V8.5663cc Air Intake Systems::Throttle Body Spacers 2014 Toyota Tundra Platinum V8.5663cc Air Intake Systems::Throttle Body Spacers 2014 Toyota Tundra SR V8.4608cc Air Intake Systems::Throttle Body Spacers 2010-2011 Toyota Tundra SR5 V8.4608cc Air Intake Systems::Throttle Body Spacers 2007-2011 Toyota Tundra SR5 V8.5663cc Air Intake Systems::Throttle Body Spacers