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 : afe46-32007 Description : Silver Bullet Throttle Body Spacer 2005-2010 Chrysler 300 C SRT8 V8.6059cc Air Intake Systems::Throttle Body Spacers 2009-2012 Dodge Challenger R/T V8.-cc Air Intake Systems::Throttle Body Spacers 2012 Dodge Challenger R/T Classic V8.-cc Air Intake Systems::Throttle Body Spacers 2008-2010 Dodge Challenger SRT8 V8.6059cc Air Intake Systems::Throttle Body Spacers 2011-2014 Dodge Challenger SRT8 V8.6424cc Air Intake Systems::Throttle Body Spacers 2006 Dodge Charger Daytona R/T V8.-cc Air Intake Systems::Throttle Body Spacers 2006-2012 Dodge Charger R/T V8.-cc Air Intake Systems::Throttle Body Spacers 2006-2010 Dodge Charger SRT8 V8.6059cc Air Intake Systems::Throttle Body Spacers 2012-2014 Dodge Charger SRT8 V8.6424cc Air Intake Systems::Throttle Body Spacers 2005-2008 Dodge Magnum R/T V8.-cc Air Intake Systems::Throttle Body Spacers 2006-2008 Dodge Magnum SRT8 V8.6059cc Air Intake Systems::Throttle Body Spacers