aFe Silver Bullet Throttle Body Spacers TBS Ford Ranger/Explorer SporTrac 01-09 V6-4.0L

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.Installation InstructionsThis Part Fits: Year Make Model Submodel 2001-2006 Ford Explorer Eddie Bauer 2001-2006 Ford Explorer Limited 2004 Ford Explorer NBX 2001-2003 Ford Explorer Postal 2001 Ford Explorer XL Fleet 2001-2006 Ford Explorer XLS 2004-2005 Ford Explorer XLS Sport 2001-2006 Ford Explorer XLT 2004-2005 Ford Explorer XLT Sport 2005 Ford Explorer Sport Trac Adrenalin 2001 Ford Explorer Sport Trac Base 2007-2009 Ford Explorer Sport Trac Limited 2002 Ford Explorer Sport Trac XL 2003-2005 Ford Explorer Sport Trac XLS 2003-2005,2007-2009 Ford Explorer Sport Trac XLT 2001-2005 Ford Ranger Edge 2005-2009 Ford Ranger FX4 2006-2009 Ford Ranger Sport 2006-2007 Ford Ranger STX 2004 Ford Ranger Tremor 2001-2003,2005-2009 Ford Ranger XL 2001-2009 Ford Ranger XLT 2002-2009 Mazda B4000 Base 2001-2004 Mazda B4000 DS 2001,2003-2008 Mazda B4000 SE