aFe Silver Bullet Throttle Body Spacer 10-18 Toyota FJ Cruiser V6 4.0L spo-default these headers are designed for

these headers are designed for custom

Tube height: rompers

B 2005-2006 Subaru Outback XT 2005-2009 Subaru Outback XT Limited 2015-2018 Subaru WRX Base 2015-2018 Subaru WRX Limited 2015-2018 Subaru WRX Premium

good heat tolerance and rigidity

aFe Silver Bullet Throttle Body Spacer 10-18 Toyota FJ Cruiser V6 4.0L spo-default these headers are designed forSilver 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. This