aFe Silver Bullet Throttle Body Spacers TBS Toyota Tacoma 05-11 V6-4.0L 2007 g35 2004-2013 Subaru Impreza 2

2004-2013 Subaru Impreza 2

2 Liter A250

a one-way check valve has been incorporated into the lines to ensure that the crankcase gasses are always flowing in the right direction

3 Liter RAP-AF

6L Duramax L5P performance intercooler

aFe Silver Bullet Throttle Body Spacers TBS Toyota Tacoma 05-11 V6-4.0L 2007 g35 2004-2013 Subaru Impreza 2Silver 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.